Washington Revised Code Title 39. Public Contracts and Indebtedness § 39.26.270. List of statutes and regulations of each state that grants preference to in-state vendors

The director shall compile a list of the statutes and regulations, relating to state purchasing, of each state, which statutes and regulations the director believes grant a preference to vendors located within the state or goods manufactured within the state. At least once every twelve months the director shall update the list.