Because the purpose of the Digital Office is to “carry out all the actions, procedures and services that require the authentication of the Public Administration or of citizens by digital means” (art.4.1 of Royal Decree 1671/2009, dated 6 November (BOE-A-2009-18358), which partially governs Law 11/2007, dated 22 June (BOE-A-2007-12352), on citizens' digital access to public services), it is necessary to use digital identification devices, in accordance with the critical nature of said procedures, particularly digital signatures and digital certificates.
For this reason, here we provide you with the information you need to use them, in a concise form, and provide links to websites directly related to each particular point for further information on said point.