To report an incident with this service (problems with access, connections, etc.), users should send an e-mail to
uci@igae.hacienda.gob.es indicating in the Subject heading their user code followed by a space and a short description of the problem. Examples might be: "Error in collections and compilations service of the Directorate General for Personnel Costs and Public Pensions", "Certificate problems", etc. In the body of the message, the user should indicate the full name of the contact person, telephone, e-mail address, authority (Autonomous Community, town hall, etc.), connection type (modem, router, ISDN, LAN, Integrated Official Communications Network, etc.) and a description of the problem (action being performed, exact error message, page on which it appears, etc.).
Users also have a mailbox, buzón
publicaciones-electronicas-ordenacion-normativa@sepg.hacienda.gob.es, where they can send suggestions, ideas or questions that occur to them while using the application.