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Social Security (Segurança Social)PDF form

Registering or changing the bank account for receiving benefits (Registo ou Alteração de IBAN – MG 14)

Blank form to register or change the IBAN into which you receive Social Security (Segurança Social) benefits.

Official form: MG 14 · Instituto da Segurança Social

What it is for

  • Register a bank account to receive payments
  • Change your IBAN after switching banks
Example (fictitious). Titus Gorila has switched banks and needs to provide his new account details to receive his child benefit.

What it is

This is form MG 14, Registration or Change of IBAN with Social Security (Segurança Social). It allows you to specify the account into which payments are made. It does not change your address or other personal details, and the new IBAN is only used once the request has been processed.

What you receive

You receive the official blank PDF form, with an explanation of what it is for. The Titus assistant answers your questions about filling it in. You can combine it with other documents in the same request, with a single payment. We do not ask for any password for forms.

Titus assistant
Do you have questions about this form? Ask, for example, what a field means or who should sign it.

The assistant explains; it does not fill in or submit anything on your behalf. Do not type passwords or third parties' data.

Things to note

The form is provided blank, and the account holder completes and signs it. Proof of the IBAN, such as a bank document, may be requested, so it is advisable to check. We do not submit the form and cannot guarantee when the details will be updated.

Frequently asked questions

Does the account have to be in my name?

That is the usual rule. The service can clarify whether there are exceptions, for example for joint accounts.

Can I use the MG 14 for other changes?

No. For personal details, there is the MG 2.

Related documents

Text reviewed in November 2026.