Download and complete relevant Declaration Form of Law 1599/1986. Verify the authenticity of your signature on the form at a police station or Citizen Service Center (ΚΕΠ).
Alternatively, you can issue the Declaration Form through gov.gr authenticated by your digital signature. In order to complete the procedure electronically, you will need to send the authenticated Declaration Form together with a photocopied version of your ID or Passport or any other official document that verifies your identity (certificate of identity with the photograph of the bearer stamped by a state authority or your driving license) and the relevant application at email@example.com.
For the receipt/shipping of the certificate of loss or damage, follow the procedures that apply to receipt/shipping of original certificates for individual candidates.