Social Security (Segurança Social)PDF form

Notification of Changes to Personal Details to Social Security (Alteração de Dados)

Blank form to inform Social Security (Segurança Social) of changes to your details, such as your address or marital status.

Official form: MG 2 · Instituto da Segurança Social

What it is for

Update personal details held by Social Security
Correct outdated information that affects your cases

Example (fictitious). Titus Gorila has moved to Setúbal and wants Social Security to have his new address.

What it is

This is form MG 2, used to notify Social Security (Segurança Social) of changes to your details. It concerns personal and contact information, not changes to contributions or benefits. The form is only the notification and nothing is corrected until it has been submitted.

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 blank, to be completed and signed by the holder. Please check with Social Security (Segurança Social) whether the change requires documents, such as proof of address. We do not submit the form or guarantee the update.

Frequently asked questions

Can I use the MG 2 to change my IBAN?

There is a separate form for bank account details, the MG 14.

Do I need to attach supporting documents?

It depends on the detail you are changing. The Titus assistant helps you understand which fields to complete, and Social Security (Segurança Social) will confirm what you need to attach.