§ 750.145gChild sexually abusive activity or material; second or subsequent offense;

mandatory minimum.
 Sec. 145g.
    If a person is convicted of a second or subsequent offense under section 145c, the sentence
 imposed for a second or subsequent offense is a mandatory minimum sentence of not less than
 5 years. For the purposes of this section, an offense is considered a second or subsequent
 offense if, prior to conviction of the second or subsequent offense, the person has been
 convicted under section 145c or of another crime involving a sexual offense against a minor.