authoritative arrival admin guide

Last updated June 25, 2026

Belgium Commune Registration for Non-EU Expats: Annex 15, Police Check and A Card

Belgium commune evidence map

Belgium commune registration for non-EU expats is mostly about proving a clean sequence: lawful entry, a real address, the right local filing, and continuity while residence documents are still pending. This guide explains how Annex 15 fits into that sequence, why the police residence check matters, when a national number appears, and how the A card stage connects to work or study evidence. It is written for readers trying to understand where the file can stall and what proof keeps the process moving.

Commune registration is one of the most important administrative steps for non-EU expats in Belgium. It connects your address, residence file, national register data, residence card, work continuity, bank onboarding, health insurance, school registration, and official correspondence. The process sounds local and routine, but it often becomes a bottleneck: appointment delays, unclear document lists, police residence checks, Annex 15 expiry, A card production, address mismatch, and uncertainty about whether you may work while waiting.

The practical problem is that Belgium's local registration is handled by the municipality or commune where you actually live, while many residence and work decisions involve federal or regional actors. In Brussels, City of Brussels pages describe the process for non-EU workers, students, researchers, self-employed people, cross-border workers, and other categories. Common steps include making an appointment with the Foreigners' Office, submitting documents, receiving an Annex 15 in certain cases, undergoing a police residence enquiry to verify that you actually live at the declared address, and later ordering or receiving the residence card, often an A card for temporary residence.

This guide explains the process as a document and timing system. It is written for non-EU employees, students, researchers, family members, self-employed applicants, au pairs, seasonal workers, and people in Brussels or other Belgian communes who need to understand Annex 15, police checks, commune appointments, A card delays, and address proof. It is general administrative information, not legal advice. Belgium's rules differ by residence category and commune practice, so Check your own commune, the Immigration Office, and the official page for your status.

Direct answer

Non-EU expats who establish residence in Belgium usually need to register with the commune where they live. The commune verifies your address, often through a police residence check, and processes the local residence-card steps. Depending on your category and stage, you may receive an Annex 15 or another annex as temporary proof while waiting for the residence card or registration completion. After a positive residence check and file processing, the commune may schedule an appointment to order or issue the A card or other relevant card.

For a clean file, prepare:

• Valid passport.
• Visa D or other entry/residence document where relevant.
• Work permit, single permit decision, professional card, hosting agreement, student documents, or category-specific proof.
• Proof of payment of federal fee where required.
• Photo and card fee.
• Address proof: lease, rental contract, host declaration, or other accepted evidence.
• Health insurance proof where required.
• Medical certificate or criminal record extract where required for the category.
• Appointment confirmation and submission receipts.

The key rule is: register where you actually live. The police check is not a formality; it verifies residence at the declared address. A weak or false address can delay the card and damage several downstream files.

Decision matrix: where the Belgian file is blocked

What commune registration does

Commune registration connects you to the local Belgian population or foreigners' register framework. It gives the municipality an address, allows local checks, and supports residence-card production. For non-EU residents, it is often the step between arrival with a visa or permit decision and receiving the physical residence card.

It can affect:

• National register number visibility.
• Bank account opening.
• Health insurance or mutuality registration.
• Employer HR files.
• Work continuity evidence.
• A card or other residence card ordering.
• Official mail.
• School or university records.
• Rental and utility administration.

It does not replace the underlying right to stay. If your single permit, student authorization, professional card, family application, or researcher status is incomplete, the commune registration alone does not fix that. Conversely, if your right to stay is approved but local registration is not completed, you may still be stuck without the physical card.

Start with the right commune

Belgian communes are territorial. You must work with the municipality of your actual residence. In Brussels, the City of Brussels page explicitly tells applicants to check the exact municipality of the address and notes that certain postal codes can be split. This matters because Brussels addresses that look similar may belong to different communes.

Before booking:

• Confirm exact municipality.
• Check the commune's foreigner registration page.
• Use the correct email or appointment link.
• Do not book City of Brussels if your address is in another commune.
• Keep proof of your address.

If you book the wrong commune, you can lose weeks.

Annex 15: what it is and what it is not

Annex 15 is a temporary document used in several Belgian residence contexts. In City of Brussels examples, certain categories receive Annex 15 at the end of the appointment, sometimes authorizing work while the police residence check and card steps continue. Cross-border workers may receive Annex 15 valid for the duration of the work permit B. Researchers and au pairs in listed examples may receive Annex 15 authorizing work after appointment.

But Annex 15 is not universal and not the same in every category. Some people receive Annex 3, Annex 49, Annex 19ter, or other documents depending on status. Do not assume another expat's Annex 15 rules apply to your file.

Ask:

• Which annex will I receive?
• What does it prove?
• Does it authorize work?
• Until what date is it valid?
• Can it be renewed if the card is delayed?
• Can I travel with it?
• Which employer or status does it relate to?

Keep the original safe and scan it. Banks, employers, mutualities, and universities may ask for a copy.

Police residence check

The police residence check verifies whether you actually live at the declared address. City of Brussels pages repeatedly state that a police officer will visit the residence to verify presence at the address and that a positive enquiry leads to the next registration/card step.

Prepare for the check:

• Put your name on the doorbell/mailbox where possible.
• Actually live at the address.
• Keep lease or host evidence available.
• Answer phone calls or appointment notices.
• Tell housemates to expect the visit.
• Check mail regularly.

If the police cannot confirm you live there, the file may stall. This is one reason not to register at a friend's address only for convenience.

A card and card ordering

The A card is a temporary residence card used for many non-EU categories. In several City of Brussels workflows, after a positive police check, a second appointment is scheduled to proceed with registration and order the residence permit, often the A card. Card ordering may require a photo, fee, and sometimes PIN/PUK collection or activation steps.

The physical card can matter for:

• Travel.
• Bank onboarding.
• Employer verification.
• Residence renewal.
• Digital identity or online services.
• Landlord and insurance confidence.

Do not assume the Annex means the card is already ordered. Ask the commune:

• Has the police check returned positive?
• Is the card order appointment scheduled?
• Which documents and fee are needed?
• When will the card be ready?
• How will I be notified?

Work continuity

For workers, the critical issue is whether you may work while waiting. This depends on your specific work authorization and annex. City of Brussels pages indicate that certain Annex 15 documents authorize work in specific contexts, such as researchers or au pairs, and cross-border workers receive Annex 15 tied to work permit B duration. But this should not be generalized.

Ask your employer and commune:

• Does my current annex authorize work?
• Is the authorization tied to this employer?
• What happens if the annex expires before the card arrives?
• Should HR keep a copy?
• What document should be shown during inspection?

Do not start or continue work based only on forum advice. Get written confirmation where possible.

Students

Non-EU students need registration with the commune and may need documents such as passport, visa, enrollment, proof of means, health insurance, and other category-specific evidence. City of Brussels student registration pages note that if the file is complete, it may be sent to the Immigration Office for processing and police check follows. Students must also watch renewal timing; City of Brussels says students should apply for renewal no later than 15 days before expiry.

Student checklist:

• Passport.
• Visa D if applicable.
• University enrollment.
• Proof of financial means.
• Health insurance.
• Address proof.
• Photo.
• Fee proof if required.
• Police check readiness.

Students should not wait until the A card is about to expire to start renewal. University housing changes can also affect the police/address check.

Employees and single permit holders

For many non-EU employees, the employer applies to the competent Region for a single permit or work authorization. City of Brussels explains that the work-permit/residence-permit procedure involves the Regions and that, once the Region and Immigration Office decisions are in place, local registration steps still follow.

Employee checklist:

• Passport.
• Visa D or decision documents.
• Annex 46 or work authorization document where applicable.
• Employment contract.
• Address proof.
• Photo.
• Fee.
• Health insurance where required.

For renewals, City of Brussels notes that single permit renewal should be requested from the competent Region no later than two months before expiry in some cases. Do not wait for the commune appointment to start regional renewal.

Researchers

Researchers with hosting agreements have their own route. City of Brussels notes that a researcher with a D B13 visa should bring passport, visa, hosting agreement, photo, and fee; at the appointment, Annex 15 authorizing work may be issued, followed by residence check and later A card appointment if positive.

Researcher checklist:

• Passport.
• Visa D B13.
• Hosting agreement with approved research organization.
• Address proof.
• Photo and fee.
• Health insurance evidence if requested.

If the hosting agreement ends or changes, ask the commune and host institution what happens to the residence file.

Self-employed and professional card

Self-employed non-EU applicants may need a professional card or exemption. City of Brussels distinguishes cases with a D B15 visa and cases with C visa or no visa, and lists professional card/exemption, medical certificate, criminal record extract, fee proof, and other documents depending on route.

Self-employed checklist:

• Passport.
• Visa or arrival declaration.
• Professional card or exemption.
• Medical certificate if required.
• Criminal record extract if required.
• Proof of fee payment.
• Address proof.
• Photo.

Self-employed files are document-heavy. Do not assume company registration or freelance invoices replace the professional card route.

Family and children

Family members and children can have different documents and cards. For children under 12, City of Brussels notes card conditions and travel relevance. Family registration may involve relationship documents, legalizations, translations, housing evidence, and sponsor status.

Family checklist:

• Passports for all.
• Birth/marriage certificates.
• Legalization/apostille where required.
• Translations.
• Sponsor residence proof.
• Address proof for household.
• Health insurance.
• Photos.

Family documents from abroad are often the slowest part. Start early.

Address proof and housing

The address is central because the commune and police check use it. Strong evidence includes lease, registered rental contract, host declaration, university housing certificate, employer housing letter, or property proof. Weak evidence includes informal messages, temporary booking without right to live there, or friend address where you do not actually stay.

Before signing housing:

• Confirm you can register there.
• Confirm mailbox/doorbell name.
• Confirm landlord or host will support residence check if needed.
• Keep rent payment receipts.
• Avoid fake domiciliation arrangements.

Annex expiry and delays

Annex 15 or similar documents can expire before the card is ready. Do not wait until after expiry to ask. Contact the commune before the deadline, explain the card delay, and request the correct extension or next step. Keep appointment proof and emails.

Delay file:

• Annex copy.
• Expiry date.
• Police check status.
• Card order status.
• Employer/university need.
• Emails to commune.
• Appointment requests.

If work depends on the annex, involve HR early.

Bank account, national number, and mutuality

Bank and health-insurance providers may ask for national register number, Annex 15, A card, or commune registration proof. Some banks can open accounts before the card if evidence is strong; others wait. Mutualities may also need residence and work/student evidence.

Use the commune file as the identity spine:

• Passport.
• Annex.
• National number if visible.
• Address proof.
• Employment/study document.
• A card when received.

Update institutions after the card arrives.

Travel caution

Annex documents may not be accepted for travel in the same way as a residence card. Some City of Brussels family-member pages explicitly warn that certain certificates do not allow travel outside Belgium. Before leaving Belgium while waiting for a card, check with the commune, Immigration Office, airline, and destination rules.

Do not assume that because you may reside or work, you may freely travel and re-enter without the physical card.

Moving during the process

If you move before the police check or card issuance, update the commune immediately. Moving to another commune can transfer or complicate the file. Keep proof of move-out, new lease, new registration request, and emails.

Do not hope that the police will find you at the old address or that the file will self-correct. Address mismatch is one of the fastest ways to stall local registration.

Common mistakes

Avoid:

• Booking the wrong commune.
• Registering at a false address.
• Ignoring the police check.
• Not putting name on mailbox.
• Letting Annex 15 expire silently.
• Assuming Annex 15 Usually authorizes work.
• Traveling with temporary documents without checking.
• Waiting too late for renewal.
• Submitting untranslated/legalized documents incorrectly.
• Not updating bank/employer after A card arrives.

Evidence quality scale

Strong evidence:

• Passport.
• Visa or official permit decision.
• Annex 15 or relevant annex.
• Lease or host declaration.
• Police check confirmation if available.
• Appointment and submission receipts.
• A card order notice.

Weak evidence:

• Screenshots without name.
• Informal rental chats.
• Appointment request without confirmation.
• Expired annex.
• Address where you do not live.
• Employer email with no permit documents.

Practical scripts

To commune:

"I am a non-EU resident registering at [address] under [category]. I attach passport, visa/permit documents, address proof, and appointment request. Please confirm the documents required and whether Annex 15 will be issued."

To employer:

"My commune registration is pending. I currently hold [document] valid until [date]. Please confirm whether this document is sufficient for work continuity and whether HR needs further proof."

To landlord/host:

"A police officer may verify that I live at this address. Please confirm that my name can appear on the mailbox/doorbell and that the address can be used for commune registration."

First 60 days plan

Week one:

• Confirm commune.
• Book appointment.
• Prepare passport, visa, address, work/study documents.
• Put name on mailbox.

Week two to four:

• Attend appointment.
• Receive annex if applicable.
• Track police check.
• Respond to commune requests.

Month two:

• Confirm positive residence check.
• Order card if invited.
• Update employer, bank, mutuality, university.
• Calendar renewal deadlines.

If the police check fails

A failed or inconclusive police residence check does not necessarily mean fraud. It can happen because your name is not on the doorbell, the officer visited during work hours, housemates did not answer, the address details were incomplete, or you moved before the check. But the result is serious because the commune may not proceed to registration or card ordering until residence is confirmed.

If the check fails:

• Ask the commune what result was recorded.
• Confirm the exact address and apartment/unit number.
• Put your name on mailbox and doorbell where allowed.
• Ask whether a new check can be requested.
• Keep lease or host declaration available.
• Avoid changing the address informally without notifying the commune.

Do not blame the police or commune before confirming the issue. Often the fix is practical: clearer access, correct bell, updated address, or new visit.

If you live in a shared flat

Shared flats can confuse residence checks. Several names may be on the doorbell, the main tenant may be absent, and the landlord may not know every occupant. To reduce risk:

• Have your name visible.
• Tell flatmates that police may visit.
• Keep your room and belongings actually there.
• Keep lease/sublease/host evidence.
• Make sure the commune has the right unit or floor.

If the main tenant is not allowed to sublet, the address may become a housing problem as well as a registration problem. Resolve that before relying on the address for your A card.

If the landlord does not want registration

In Belgium, a landlord who says "you can live here but cannot register" creates a serious red flag for anyone needing residence documentation. For a non-EU expat, the address is not optional; it is part of the legal residence process.

Before signing:

• Ask whether domiciliation/registration is allowed.
• Ask whether the lease supports main residence.
• Ask whether the landlord will provide documents if police or commune asks.
• Avoid under-the-table arrangements.
• Keep written confirmation.

If you already live there and the landlord refuses registration support, contact the commune or tenant advice service for guidance. Do not register at a different address where you do not live.

Annex 15 and travel outside Belgium

Temporary annexes can be useful inside Belgium, but they may not function like residence cards for travel. Some commune pages explicitly warn that certain certificates do not allow travel outside Belgium. Before leaving Belgium while waiting for the A card, check your exact document, nationality, visa, Schengen situation, and re-entry rules.

Questions to ask:

• Can I leave Belgium with this annex?
• Can I re-enter Belgium?
• Do I need a valid visa?
• Does the airline accept the document?
• Does the destination country accept it?
• Should I wait for the card?

The safest practical advice is to avoid non-essential travel while the physical card is pending unless the competent authority confirms the route.

Work authorization matrix

Do not assume every registration document permits work. Build a matrix:

• Document held.
• Employer.
• Work permit or single permit basis.
• Annex type.
• Validity date.
• Work permission wording.
• HR confirmation.
• Renewal deadline.

A worker with a single permit decision, a researcher with a hosting agreement, a cross-border worker with work permit B, and a student with limited work rights may all have different rules. The annex is only meaningful in context.

Renewal discipline

Renewal deadlines differ by category. City of Brussels examples mention two months before expiry for some single-permit renewals, one month for some seasonal-worker contexts, and 15 days before expiry for students. The lesson is not that one deadline applies to everyone; it is that renewal timing is category-specific and should be calendared early.

Create reminders:

• Six months before expiry: check category and documents.
• Three months before expiry: ask employer/university for renewal documents.
• Two months before expiry: submit where required if your category uses that deadline.
• One month before expiry: escalate missing employer or commune documents.
• Two weeks before expiry: confirm submission proof.

Usually follow the exact deadline for your status.

If Annex 15 expires

An expired Annex 15 can create practical problems with employers, banks, travel, and mutuality. If it expires because the commune or police process is delayed, gather evidence that you attempted renewal or follow-up before expiry.

Evidence:

• Email to commune before expiry.
• Appointment request.
• Police check status request.
• Employer letter explaining urgency.
• Copy of expired annex.
• Any new annex or proof of pending update.

If work is affected, HR should not rely on assumptions. Ask the commune or legal advisor what document proves continued right to work.

National register number timing

The national register number can become visible at different stages depending on process and commune. Banks, mutualities, employers, and universities may ask for it. If not yet available, ask whether passport and annex are enough temporarily. Once assigned, update institutions.

Do not use an unofficial guessed number. The national register number is a formal identifier.

Mutuality and health insurance

Belgian health insurance through a mutuality may require residence, employment, study, or other status evidence. If the mutuality says it needs an A card, ask whether Annex 15, national number, or employer documents can start the file. If not, keep proof and return after card issuance.

Workers should coordinate employer, social-security, and mutuality steps. Students should coordinate university and insurance proof.

Children and school registration

Children's school registration can depend on address and residence documents. If the A card is delayed, ask the school what temporary documents are accepted. Keep passports, birth certificates, translations, commune appointment, annexes, and address proof.

Do not let a child's file depend only on the main applicant's documents. Each family member may need separate evidence.

If documents from abroad need legalization

Civil documents such as birth and marriage certificates may require legalization, apostille, and translation depending on country and use. City of Brussels pages refer users to Belgian diplomacy resources for legalization/apostille in related foreign-certificate contexts. Start early because foreign civil documents can take longer than local appointments.

Keep:

• Original.
• Apostille/legalization.
• Certified translation.
• Scan.
• Date of issue.

If you change status

A non-EU person may move from student to worker, worker to family member, researcher to employee, or self-employed to employee. Status changes can alter documents, work permission, annex type, and renewal route.

Before changing:

• Ask commune which procedure applies.
• Ask employer/university for documents.
• Check whether federal fee applies.
• Check work authorization.
• Keep current card/annex valid if possible.

Do not assume the commune automatically knows your status changed.

Evidence folder structure

Create folders:

• Identity.
• Visa and entry.
• Work/study/family basis.
• Address and lease.
• Commune appointments.
• Annexes.
• Police check.
• A card order.
• Renewals.
• Emails and receipts.

This makes it easier to respond quickly when the commune requests a missing item.

Escalation without chaos

If delayed, write concise messages:

"My Annex 15 expires on [date]. The police check was completed/has not yet occurred. I need to know whether renewal or extension is required. I attach passport, Annex 15, address proof, and appointment reference."

Do not send long emotional emails to multiple addresses without file numbers. That can slow tracking. Use the correct commune channel and keep copies.

Practical risk levels

Lower risk:

• Correct commune.
• Actual address.
• Lease or host proof.
• Passport and visa clear.
• Police check completed.
• Annex valid.

Medium risk:

• Temporary housing.
• Name not on mailbox.
• Employer start date approaching.
• Annex near expiry.
• Documents from abroad pending.

Higher risk:

• False address.
• Wrong commune.
• Landlord refuses registration.
• Expired annex.
• Work based on unclear document.
• Travel planned before card.

Final file audit

Before considering registration "done," confirm:

• Commune accepted the file.
• Police check is positive.
• Annex validity is tracked.
• Card order appointment is scheduled or completed.
• Address is current.
• Employer/bank/mutuality updated.
• Renewal deadline is calendared.

If any item is missing, the process is still active.

Status-specific renewal folders

Create a renewal folder based on your category, not a generic "Belgium" folder. Workers need employer and regional work-authorization documents. Students need enrollment, means, insurance, and academic progress evidence. Researchers need hosting-agreement updates. Self-employed people need professional card or exemption evidence. Family members need relationship and sponsor records.

Worker renewal folder:

• Current A card.
• Passport.
• Regional renewal or Annex 46 where relevant.
• Employment contract or employer proof.
• Health insurance.
• Address proof.
• Commune appointment.

Student renewal folder:

• Current card.
• Passport.
• Enrollment for new year.
• Proof of means.
• Health insurance.
• Academic documents if requested.
• Address proof.

Researcher renewal folder:

• Current card.
• Passport.
• New hosting agreement.
• Address proof.
• Insurance.
• Commune appointment proof.

Do not start renewal by asking "what did another expat submit?" Start from your category.

Handling multiple Belgian authorities

Belgian immigration administration often involves several layers:

• Commune or municipal foreigners' office.
• Immigration Office.
• Regional work authority.
• Employer or host institution.
• Police residence check.
• Mutuality and social-security systems.

Each layer may wait for another. Keep a table:

This table helps you identify where the file is blocked.

If the commune says the Immigration Office has not answered

Sometimes the commune cannot move because it is waiting for the Immigration Office. Ask for a factual status, not a promise:

• Was the file transmitted?
• On what date?
• Is any document missing?
• Is the police check completed?
• Is the decision pending elsewhere?
• Can I receive proof of pending status?

Keep the answer. If an employer or bank needs evidence, a commune email confirming pending status may help, though it may not replace the required document.

If your employer asks for proof every month

HR departments often ask for updated proof when Annex 15 or a residence card is delayed. Avoid sending random screenshots. Send a clean packet:

• Current annex/card.
• Work authorization document if separate.
• Commune email or appointment proof.
• Expiry date.
• Next step and expected date.

Ask HR exactly what it needs for compliance. This reduces repeated panic before payroll.

If the A card is produced but not collected

The process is not complete until you collect and activate the card according to the commune's instructions. Watch mail, email, SMS, and appointment messages. If you miss the collection notice, contact the commune. Keep PIN/PUK letters safely if applicable.

After collection:

• Scan the card.
• Update employer.
• Update bank.
• Update mutuality.
• Update university/landlord if needed.
• Calendar expiry.

If the card has an error

Check the card immediately:

• Name.
• Date of birth.
• Nationality.
• Card type.
• Validity.
• Remarks.

If wrong, contact the commune quickly. Do not wait until travel or renewal. Errors can affect work, bank, travel, and identity checks.

If you receive official mail in Dutch/French

Depending on region and commune, official mail may arrive in Dutch, French, or German. Do not ignore it because you do not understand it. Deadlines can be short. Translate promptly, ask the commune, employer, university, or a qualified advisor for help.

Keep original envelopes and letters. The date of receipt can matter.

Commune appointment preparation

Before an appointment:

• Print appointment confirmation.
• Bring passport.
• Bring all category documents.
• Bring photo and payment method.
• Bring copies even if uploaded.
• Bring address proof.
• Bring prior annex/card if renewing.
• Bring translations/legalizations.

After the appointment:

• Ask what happens next.
• Ask whether police check is requested.
• Ask whether Annex 15 is issued.
• Ask when to follow up.
• Save receipt.

Police check practical details

The officer may visit when you are not home. Some communes or police zones may leave a notice or call; practices differ. If you work full-time, check mailbox and phone. If you miss a visit, contact the police/commune politely and ask how to complete the check.

Do not wait silently. A missed check can sit unresolved.

If you are temporarily in a hotel

Hotels and short-stay accommodation can be valid for a short stay, but they may not be suitable as a residence address for long-term registration. If your long-term lease starts later, tell the commune your actual situation and ask how to proceed. Do not register a hotel as long-term residence if you will not live there for the process.

If you need immediate declaration of arrival, that can be different from residence registration. Ask which procedure applies.

Declaration of arrival vs residence registration

Some non-EU short-stay or transition situations involve declaration of arrival, Annex 3, before a later residence process. City of Brussels pages mention Annex 3 in certain self-employed or short-stay contexts. Do not confuse Annex 3 with Annex 15 or A card registration.

Ask:

• Am I declaring arrival or registering residence?
• Which annex will I receive?
• Does this start a residence-card process?
• Does it allow work?
• What is the next appointment?

If you need proof for a landlord

Some landlords ask for card or national number before signing or continuing a lease. If the card is pending, provide a limited packet:

• Passport.
• Visa/annex.
• Commune appointment or registration proof.
• Employer/student proof.
• Explanation that card is pending.

Do not overshare sensitive documents. Landlords usually need to know identity and lawful stay context, not your entire immigration file.

If you need proof for a bank

Banks may ask for the A card. If pending, provide passport, Annex 15, commune proof, address proof, and employment/study evidence. Ask whether the account can be opened with temporary documents and updated later. Keep proof of bank refusal if it affects salary or rent.

If your address is in Brussels but not City of Brussels

Brussels is not one commune. Schaerbeek, Ixelles, Etterbeek, Anderlecht, Molenbeek, Saint-Gilles, Uccle, and others have separate municipal administrations. Check exact commune. A postal address that says Brussels can still belong to a different municipality.

Wrong-commune applications are avoidable delays.

Dated document register

Track dates:

• Visa issue/expiry.
• Arrival date.
• Commune appointment.
• Annex issue/expiry.
• Police check visit.
• Card order appointment.
• Card collection.
• Renewal deadline.

This register is useful when a bank, employer, or commune asks what happened.

Final process principle

Belgian registration is not one appointment. It is a sequence. The safe approach is to know which step you are in, which document proves that step, and which next step is pending.

After the A card: maintenance checklist

Once the A card arrives, the file still needs maintenance. Many expats treat the card as the end of administration and then miss renewal, address, employer, or passport updates.

After collection:

• Scan front and back of the card.
• Store PIN/PUK documents safely.
• Send card copy to employer if required.
• Update bank and mutuality.
• Check card expiry.
• Calendar renewal deadline based on category.
• Confirm address is current.
• Keep Annex 15 and prior documents in archive.

The archive matters because renewals may ask for continuity evidence. Do not throw away old annexes and commune receipts.

If the passport changes

If you renew your passport while your residence file is pending or after receiving the card, update the relevant institutions. The commune, employer, bank, mutuality, and university may hold the old passport number.

Keep:

• Old passport copy.
• New passport copy.
• A card.
• Commune update proof.
• Employer/bank update messages.

Name spelling and passport numbers should remain consistent across records.

If you split time between Belgium and another country

Some people are cross-border workers, remote workers, or family members splitting time. Commune registration is based on residence facts. If you claim Belgian residence but are rarely present, a police check or later review can create problems. If you are a cross-border worker, City of Brussels has separate guidance for workers living in a neighbouring country and returning daily or weekly.

Do not force a resident registration if your facts are cross-border. Use the correct procedure.

If the employer changes during registration

If the work authorization or single permit is tied to the employer, changing employer during registration can be serious. Do not assume the Annex 15 or pending card transfers to the new employer.

Before changing:

• Ask employer/legal advisor.
• Check regional work authorization.
• Ask commune what must be updated.
• Keep old and new contracts.
• Do not work without authorization.

Employer changes can affect the A card basis and renewal.

If the commune asks for proof of health insurance

Some residence or renewal contexts require proof of health insurance covering risks in Belgium. Provide mutuality registration, employer-related proof, private policy, or other accepted evidence depending on your category. The document should show name, coverage, and dates.

Do not submit only an insurance quote. The authority usually needs active coverage or proof that it will be active.

If your mailbox name is not allowed

Some buildings control mailbox labels. If you cannot add your name, ask the landlord, building manager, or host for a solution before the police check. The officer needs to verify that you live there. If the building uses apartment numbers only, make sure the commune has the exact box/floor/unit.

Small address details can decide the police check.

One-page registration index

Create an index:

• Full name.
• Passport number.
• Category.
• Address.
• Commune.
• Appointment date.
• Annex type and expiry.
• Police check status.
• Card order status.
• Renewal deadline.

Update it after every step. This index helps employers, advisors, and your future self understand the process without rereading every email.

When to seek help

Seek help if the annex is expiring, work depends on uncertain documents, the police check failed, the landlord blocks registration, the commune says documents are missing but does not specify which, or family members' documents are delayed abroad. Useful helpers include employer HR, university international office, commune information desk, legal advisors, tenant support, and migrant-support organizations.

Do not wait until expiry day. Most fixes require appointments or documents.

Final practical note

The safest Belgian registration file is boring: real address, correct commune, current passport, category-specific documents, valid annex, positive police check, and dated proof of every contact. If your file is boring, banks, employers, mutualities, and renewal officers have fewer reasons to pause it.

If something is not boring, document why. Temporary housing, delayed police checks, pending employer renewal, missing foreign certificates, and expired annexes can be managed better when the timeline is written down before someone asks.

Keep dated copies of all submissions and replies. Use them when timelines are questioned. Usually. Document.

Bottom line

Belgian commune registration is not a clerical afterthought. For non-EU expats, it is the bridge between visa or permit decision and usable local residence documentation. The most important operational rules are simple: use the correct commune, register where you actually live, prepare category-specific documents, track Annex 15 and police-check timing, and keep written evidence of every step. If the address or annex is weak, the rest of the Belgian admin stack becomes weak too.

Official sources

• City of Brussels: Registration of a foreigner
• City of Brussels: Registration of a non-EU foreigner
• City of Brussels: Foreign employee registration non-EU
• City of Brussels: Foreign student registration non-EU

Related guides

• Belgian bank account before residence card
• Belgium rental guarantee for expats
• Belgium expat admin