Notaries are often asked to certify that a photocopy of an original document is a true and accurate reproduction of the original. A quick definition of true copy: A true copy is a duplicate of an original document that is close enough to the original that anyone can understand it.A notary performs a notary copy certification when they verify that a copy of an original document is a true, correct, and complete copy. A certified copy is a copy of a primary document with a certificate on it that it is the true copy. You can request a certified or exemplified copy of any marriage license issued in Philadelphia. "Verification on oath or affirmation. How do I get a copy of a deed or find out who owned my home before I did? Define certified true copy. The reason is that a copy certification requires the Notary to certify that the copy is a true and accurate reproduction of the original document. For instructions on how to fill out an online marriage license, click here.