
Signature Process Automation (API Signature)
28 septiembre 2021
Personal data breaches. Protect yourself against sanctions.
13 octubre 2021

20 October is the deadline for filing the forms corresponding to the third quarter of the year for VAT (form 303), Personal Income Tax withholdings (form 130), form 111, form 115 and the split payments of Corporate Income Tax (form 202).
Learn about the rest of the taxes you must file before October 20:
The Tax Agency imposes the obligation to file forms electronically on all legal persons, unincorporated entities, the self-employed and certain other natural persons; specifically on:
- The S. A. and S. L.
- Taxpayers assigned to the Management Units of Large Companies or to the Central Delegation of Large Taxpayers.
- Cooperatives, associations and foundations
- Public administrations
- Individuals, for forms 038, 180, 182, 187, 188, 190, 193, 198, 233, 282, 296, 318, 345, 347, 349, 390 and 720
For more information, please see: 9.1 Taxpayers filing online with an electronic certificate
Notwithstanding the above, there are certain taxpayers who, in addition to being obliged to file their taxes online, are also obliged to interact electronically with the Public Administrations (hereinafter, AAPP). This is stipulated in article 14, section two of Law 39/2015 for legal persons, entities without legal personality and for those who carry out a professional activity that requires compulsory membership of a professional association in the exercise of their activity, among others.
And what are the signature systems accepted by the Public Administrations?
Law 39/2015 determines that qualified and advanced electronic signature systems and qualified and advanced electronic seals issued by a Qualified Trust Service Provider will be considered valid for signing (art. 10.2).
Why choose ANF AC certificates?
ANF Autoridad de Certificación is the only Qualified Provider in Europe to have 100% of the Qualified Trust Services accredited. As a Qualified Provider, we appear on the official list of the Ministry of Economic Affairs and Digital Transformation (check it here).
ANF AC has the widest range of PKI-enabled applications. All the technology used by ANF AC has been designed and developed by our R+D+i team, with several technological patents. A unique guarantee of direct support from the manufacturer, updates and adaptations without dependence on third parties.
In addition to the peace of mind that all our certificates will be admitted by the Public Administrations, ANF AC is much more:
- We guarantee obtaining the certificate within a maximum period of 48 hours.
- Go to the Personal Verification Office (PVO), closest to your home. We have a wide network of OVP throughout the country.
- Customer Service Centre that will assist you with any queries or incidents that may arise. We do not stand idly by.
- Qualified electronic certificate in centralised mode, have your certificate available 24/365.

