1. Census declaration, forms 036 or 037

The electronic headquarters of the Tax Agency incorporates a " Census Reporter ", where you can consult, among others, how to carry out the different census procedures relating to personal data or your economic activity and the form and deadlines for carrying them out, as well as responding to requirements in census verification procedures.

1. 1.1 Registration declaration. NIF application
2. 1.2 Modification and deregistration declaration
3. 1.3 Summary of the documentation accompanying model 036
4. 1.4 Model 039
5. 1.5 Form 035
6. 1.6 Registration number and identification of economic operators - EORI