Oregon Revised Statutes Alcoholic Liquors; Controlled Substances; Drugs § 475B.020

(1) To amend or affect state or federal law pertaining to employment matters;

(2) To amend or affect state or federal law pertaining to landlord-tenant matters;

(3) To prohibit a recipient of a federal grant or an applicant for a federal grant from prohibiting the manufacture, delivery, possession or use of marijuana to the extent necessary to satisfy federal requirements for the grant;

(4) To prohibit a party to a federal contract or a person applying to be a party to a federal contract from prohibiting the manufacture, delivery, possession or use of marijuana to the extent necessary to comply with the terms and conditions of the contract or to satisfy federal requirements for the contract;

(5) To require a person to violate a federal law;

(6) To exempt a person from a federal law or obstruct the enforcement of a federal law; or

(7) To amend or affect the Oregon Medical Marijuana Act.