(2) The court may not order the fee under ORS 471.432 to be paid in any case where the person who is required to undergo assessment and treatment is under 18 years of age. [1985 c.16 §296; 1987 c.905 §29; 1989 c.576 §§6a,7a; 1989 c.635 §§1,3; 1991 c.557 §4; 1993 c.13 §5; 1999 c.646 §3; 2009 c.595 §1142; 2011 c.597 §§147,324; 2011 c.671 §3; 2012 c.81 §§2,3; 2021 c.597 §32]