You may renounce Cl@ve at any time by two different ways:
In person, at one of our Registration Offices
The State Tax Administration Agency and the Managing Entities and Common Services of Social Security office network will work initially as Registration Offices. The list of Registration Offices will be published on the General Access Site (http://administracion.gob.es) as well as on the relevant electronic offices.
With your digital certificate or electronic ID
Steps to follow:
Access the Electronic Office of the Tax Agency
Fill in the data