(1) A prosecution for an offence against this Act in relation to a film, publication or computer game that is unclassified at the time of the alleged offence—
(a) must not be commenced until the film, publication or computer game has been classified; and
(b) unless the contrary intention appears, may be commenced not later than 12 months after the date on which the film, publication or computer game was classified.
(2) Subsection (1)(a) does not apply if a person has been apprehended in accordance with section 458 of the Crimes Act 1958 .