No prosecution in respect of any offence under section 61E (1), 71 or 72, or under section 76 as in force at any time before the commencement of Schedule 1 to the Crimes (Sexual Assault) Amendment Act 1981, shall, if the person upon whom the offence is alleged to have been committed was at the time of the alleged offence over the age of fourteen years and under the age of sixteen years, be commenced after the expiration of twelve months from the time of the alleged offence.

