The certificate selected to connect to the AEAT HEADQUARTERS differs from the certificate selected to perform the signature
Skip information indexIf you use Mozilla Firefox (All operating systems)
In Windows operating systems, go to "Tools" (or the icon with three horizontal stripes), "Settings"; on Mac, "Firefox", "Preferences"; and in Linux, "Edit" "Preferences". Next, select "Privacy and Security", "Security", "Certificates" and "View certificates".
In the "Your certificates" tab there should be the certificate with which you want to sign. Double click on the name of the certificate and in the new tab search for "Alternative subject names and check the information that appears, since it must be the same as that registered in AEAT .
Example of certificate FNMT of a natural person.
The order in which the data is displayed is: NIF of the natural person, first last name of the natural person, second last name of the natural person and name of the natural person.
For certificates FNMT of legal entity:
-
Certificate of representative for sole and joint administrators. The order in which the data is displayed is: Name of associated natural person, first surname of natural person, second last name of natural person, NIF of natural person, Company name, NIF legal entity, administrator type , commercial registry data
-
Certificate of representative of a legal entity. The order in which the data is displayed is: Name of associated natural person, first last name of natural person, second last name of natural person, NIF of natural person, Company name, NIF legal entity.
-
Certificates of representative of an entity without legal personality. The order in which the data is displayed is: Name of associated natural person, first last name of natural person, second last name of natural person, NIF of natural person, Company name, NIF legal entity.
Once this is done, you will have to check on our website how these data appear in the AEAT census, accessing the section "Verification of a NIF from third parties for census purposes", within the procedures of "Form 030. Census of taxpayers - Census declaration of registration, changes of address and/or changes in personal data.
If the census data ( NIF , surname and first name or company name) do not match the data on the electronic certificate, it will be necessary to obtain a new certificate.