The certificate selected to connect to the Spanish Tax Agency's SEDE differs from the certificate selected to carry out the signature
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Access the certificate details. In Internet Explorer, click on "Tools" (icon of the toothed wheel), "Internet options," select the "Content" tab and click on "Certificates." In Google Chrome, click on "Customise and control Google Chrome" (three-point icon), "Settings," Show advanced settings, "https/SSL," Manage certificates. " In Microsoft Edge, click on the icon of the three horizontal points (top right), "Settings," Privacy, search and services, "Security" and "Manage certificates."
The "Personal" tab must have the certificate with which you want to sign. Double click on the certificate name and in the new window select the "Details" tab. Mark "All" in the "Show" section, select the "Alternative name of the account holder" field and check the information that appears in the lower window, as it must be the same as that registered in the Tax Agency.
Example of the FNMT certificate for individuals.
The order in which the data are displayed is: Name of the natural person, first surname of natural person, second surname of natural person and Tax ID of natural person.
For FNMT certificates of legal entity:
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Certificate of representative for sole and joint directors. The order in which the data are displayed is: Name of the associated individual, first surname of natural person, second surname of natural person, Tax ID of natural person, Company name, Tax ID legal entity, type of administrator, details of the commercial register
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Certificate of representative of a legal person. The order in which the data are displayed is: Name of the associated individual, first surname of natural person, second surname of natural person, Tax ID of natural person, Company name, Tax ID legal entity.
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Certificates of representative of the Entity without a Legal Personality. The order in which the data are displayed is: Name of the associated individual, first surname of natural person, second surname of natural person, Tax ID of natural person, Company name, Tax ID legal entity.
Once this has been done, you will have to check on our website how this information appears in the Tax Agency census, by going to the section "Verification of a Tax ID of third parties for census purposes," in the procedures of "Form 030. Census of taxpayers-Census declaration of registration, changes of address and/or change of personal data. "
If the census data (Tax ID, full name or company name) do not match the data of the electronic certificate, a new certificate must be obtained.