y may certify that a document is a copy of a certificate under section 61AMA. (7) This section applies to the certified copy as if it were the original. 61AMC Varying or revoking certificate (1) The Chairperson may vary a certificate under section 61AMA as long as the variation is of a minor nature. (2) If a certificate is varied, the Chairperson must give the person concerned a written notice set