Western Australian Consolidated Regulations (1) A pilotage
exemption certificate, including a pilotage exemption certificate revalidated
under regulation 56, is valid unless it expires under
subregulation (2) or is revoked under regulation 57.
(2) If an exempt
master does not move a vessel under the authority of the master’s
pilotage exemption certificate for a period of 6 months, the certificate
expires at the end of that period.