Y SEGURIDAD SOCIAL
Procedures and Formalities
Obtaining the Social Security / Affiliation Number
The Social Security Number identifies citizens in their relations with the Social Security system.
|Where to process it:||
At the Administrative Office of the Social Security Treasury General corresponding to the citizen's home address or place of work. If you have a digital certificateyou can access the Social Security number Assignment service at the e-Office.
It must be applied for prior to the registration and affiliation application or the application for any benefits or service.
|Other important information:||
The Social Security Number becomes an Affiliation Number at the time when the citizen begins a labour activity determining inclusion within the Social Security System.
Characteristics of Affiliation: