When program comes into force
(1) If the Secretary approves the transport security program, the program comes into force at the time specified in the notice of approval.
(2) However, if:
(a) the time specified in the notice is earlier than the time at which the notice was given; or
(b) no time is specified in the notice as the time when the program comes into force;
the program comes into force when the notice is given.
Period in which program remains in force
(3) The program remains in force for a period of 5 years or such lesser period as the Secretary specifies in the notice of approval (which must be at least 12 months), unless before the end of that period:
(a) the program is replaced under subsection 22(4) or 23(4); or
(b) the approval of the program is cancelled under this Division.