2.1 Filer
Attach the identification labels supplied by the Tax Agency in the space reserved for this purpose and enter the contact telephone number in the corresponding box.
If, on an exceptional basis, you do not have the aforementioned labels, please provide all the information requested in this section, including, together with your identification details, those relating to your tax address. In this case, a photocopy of the document certifying your tax identification number (N.I.F.) must be attached to this tax return.