Required for your dossier ALPHA

Certificat de composition de ménage

Attestation extraite du registre national listant les personnes inscrites à la même adresse. Pour le 12bis §1, 3°, sert à prouver la cohabitation de trois ans avec le conjoint belge.

Authority: Communes belges (collectif)

Applies to: 12bis §1, 3° spouse-of-Belgian declarants demonstrating cohabitation with the Belgian spouse

Last verified: 2026-05-12

Sources

  1. Brussels Tier-1 quicklink · priority 90

    Regions: brussels

    Authentication: csam (itsme, eid, mygov.be, smart-id, security-code, eidas)

    Kind: deeplink-after-auth · Delivery: sync-pdf-download

    Primary actor: both

    Handoff: auth-wall

    Agent does: I'll send you to the Brussels Irisbox quicklink for the household-composition certificate. Once you sign in, Irisbox generates the PDF and downloads it.

    You do: Sign in with itsme or your eID. Save the PDF to your Be Civic folder.

    To resume: Tell me 'got it' once the PDF has downloaded.

    The steps after authentication / handoff are described from documentation, not yet confirmed by a real Be Civic user. If reality differs, please tell us so we can fix the entry.

    Each use generates a real document delivery — only click when you actually need the document.

    Try this

    Notes: Audited Tier-1; not probed per §24.9 invariant 3. URL from quicklinks-rn.json (type 42 = Composition de ménage).

  2. Wallonia commune-services page · priority 65

    Regions: wallonia

    Kind: sitemap-page-fetch · Delivery: informational-routing

    Primary actor: agent

    Agent does: I'll read the Wallonia commune-routing page that covers household composition along with residence and nationality certificates.

    You do: None — the agent handles this source fully with no customer action required.

    To resume: I'll quote the routing back to you and recommend the federal handoff or the commune visit next.

    Try this

    Notes: Probed 2026-05-12: HTTP 200, page explicitly lists 'composition de ménage' in title and description.

  3. Federal authenticated portal · priority 60

    Regions: federal

    Authentication: csam (itsme, eid, mygov.be, smart-id, security-code)

    Kind: deeplink-to-auth-wall · Delivery: user-driven-after-auth

    Primary actor: user

    Handoff: full-takeover

    Agent does: I'll point you to my.belgium.be. Sign in with CSAM, open 'Registre national / Rijksregister', and request the household-composition certificate.

    You do: Authenticate via CSAM. Download the PDF and save it to your Be Civic folder.

    To resume: Tell me when you have the PDF. If the federal portal does not surface household composition, the offline commune route is the fallback.

    The steps after authentication / handoff are described from documentation, not yet confirmed by a real Be Civic user. If reality differs, please tell us so we can fix the entry.

    Try this

    Notes: Probed 2026-05-12: HTTP 200 (assumed), my.belgium.be confirmed as Rijksregister 'Mon dossier' surface.

  4. Offline commune visitfallback only · priority 10

    Regions: brussels, wallonia, flanders, federal

    Kind: commune-visit · Desk: Service Population / Bevolkingsdienst · Delivery: in-person-or-postal

    Primary actor: user

    Handoff: physical-presence

    Agent does: I'll prepare what to ask for: a 'certificat de composition de ménage' (FR) / 'attest van gezinssamenstelling' (NL) covering the same period as your residence-history certificate. Bring your eID.

    You do: Go to the Service Population of your commune of registered residence. Ask for the composition de ménage covering the relevant period (the three-year cohabitation window for 12bis §1, 3°). Some communes accept postal requests.

    To resume: Bring the document and confirm receipt. If the commune issues it dated as of today only (no historical view), ask for the historical version.

    The steps after authentication / handoff are described from documentation, not yet confirmed by a real Be Civic user. If reality differs, please tell us so we can fix the entry.

    Notes: Always-available fallback.

Required by skills