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.
ORS 475.980
2001 c.615 §17
Official source: Oregon State Legislature. Reproduced from public-domain Oregon statutes; confirm against the official source for the current text. Not legal advice.