23When a maritime security level is in force

#### 23 When a maritime security level is in force (1) If a declaration is made under subsection 22(1) or (2), the maritime security level declared in the declaration is in force for the port, facility, area, participant, operation or regulated foreign ship covered by the declaration until either of the following occurs: (a) the period (if any) specified in the declaration expires; (b) the declaration is revoked, in writing, by the Secretary. (2) If a declaration is made under subsection 22(1) for a regulated Australian ship, and the declaration does not limit the waters in which the security level is in force in reliance on subsection 22(5), the maritime security level declared in the declaration is in force for the ship until either of the following occurs: (a) the period (if any) specified in the declaration expires; (b) the declaration is revoked, in writing, by the Secretary. (3) If a declaration is made under subsection 22(1) for a regulated Australian ship, and the declaration limits the waters in which the security level is in force in reliance on subsection 22(5), then unless: (a) the period (if any) specified in the declaration expires; or (b) the declaration is revoked, in writing, by the Secretary; the maritime security level declared in the declaration is in force for the ship while it is in those waters.