To carry out necessary adaptations to the system upgrade, Registration service in the Cl @ ve system and obtaining authentication and Cl @ ve PIN will remain closed from 14:30 of the 16 November 2016 until the maintenance is completed, with an estimated time of 5 hours. During this period you can not access the service registry Cl @ ve or obtain or use Cl @ ve PIN
Source:: Novedades Agencia Tributaria
Memory of the Tax Agency is published 2015, detailing the main activities and results of the Tax Agency in the exercise 2015.
Source:: New Taxes
Source:: Ministerio de Empleo