This frequently asked question covers the actions related to the request, renewal and management of the AOC electronic seal certificate , which is necessary to access the services of the State Tax Administration Agency (AEAT) through Via Oberta.

The electronic seal certificate is the element that identifies your entity and allows you to access and consume data from web services, which is why it is essential to have one and always keep it valid.

When is it necessary to manage the electronic seal certificate?

You will need to manage the certificate in the following cases:

  • When your organization does not have a certificate and you have to request it for the first time.

  • When the certificate is about to expire and you need to renew it.

  • When you need to obtain the public key of the certificate to report it in a procedure with the AEAT.

Important: These actions are managed through AOC and are prior to or complementary to the procedures that you will have to carry out with the AEAT.

How is each case processed?

Depending on your situation, you will need to follow the corresponding FAQ:

Final reminder

  • Managing the certificate in AOC is a key step for AEAT services to function correctly

  • The electronic seal certificate must be valid to access AEAT services.

  • If the certificate is not valid or is not correctly informed, you will not be able to access the services , even if your organization has authorization.

  • Make sure that the public key of the certificate matches the certificate you have authorized at the AEAT.

  • It is recommended that you plan your renewal in advance , taking into account the deadlines for issuing the certificate by the AOC.

Additional information