To submit your declaration through FIZ, you must enter your Social Security Identification Number (NISS) and the password for the Segurança Social Direta portal.
What is the NISS and where can I find it?
The NISS (Número de Identificação da Segurança Social) is your personal Social Security number in Portugal. You can find your NISS:
On official Social Security documents (letters, notifications);
In your profile area on Segurança Social Direta.
Where can I find my password?
The password is used to access your Social Security account.
If you are already registered, use the password you already have.
Forgot your password? → Recover it here.
Need to change your password? Log in to Segurança Social Direta, then go to:
Profile → Personal data → Change password.If you have never used Segurança Social Direta, read the article: How to create an account on Segurança Social Direta.