If you are a natural person and want to cancel (revoke) an approved digital signature certificate (digital certificate) issued by the Hellenic Public Administration Certification Authority (APED), you can revoke it in one of the following ways:

• on the APED Certificate Management Application, using the eight-digit issue/revocation code
• by filing a formal declaration for revocation of the APED digital signature and a revocation application on the APED Certificate Management Application, by entering the code number of the formal declaration.