Affirmative defense to ORS 475.969, 475.971, 475.975 (1) and 475.976 (1). It is an affirmative defense to a charge of violating ORS 475.969, 475.971, 475.975 (1) or 475.976 (1) that the person possessed the precursor substance for a lawful purpose. [2001 c.615 §17]

ORS 475.980 — under Chapter 475.