section 753(2)


753(2) An application under subsection (1) must be made before sentence is imposed on the offender unless (a) before the imposition of sentence, the prosecutor gives notice to the offender of a possible intention to make an application under section 752.1 and an application under subsection (1) not later than six months after that imposition; and (b) at the time of the application under subsection (1) that is not later than six months after the imposition of sentence, it is shown that relevant evidence that was not reasonably available to the prosecutor at the time of the imposition of sentence became available in the interim.