(1)  The holder of a certificate of conformity issued by the Director may apply to the Director to vary the certificate.

(2)  The Director may vary a certificate of conformity –

(a) on the application of the holder of the certificate of conformity under subsection (1) ; or

(b) on his or her own motion; or

(c) on being satisfied that the modifications required by a notice given under section 71(1) have been made to the electrical equipment that is the subject of the certificate of conformity.