New South Wales Consolidated Acts(cf APMC 4, 1989 Act s 27)
(1) Except as provided by this section, a licence continues in force from the time it is issued for a period of 5 years (or such shorter period as may be prescribed by the regulations), unless it is sooner surrendered or revoked or otherwise ceases to be in force.
(2) A category D licence issued to a person referred to in paragraph (c) of the genuine reason of vertebrate pest animal control continues in force for such period as is specified in the licence (being a period that is no more than 12 months) unless it is sooner surrendered or revoked or otherwise ceases to be in force.
(3) A probationary pistol licence continues in force from the time it is issued for a period of 12 months unless it is sooner surrendered or revoked or otherwise ceases to be in force.