RCW 69.65.030: 340B drugs—Manufacturer prohibitions.

(1) A manufacturer or a third party acting on behalf of a manufacturer may not, directly or indirectly, deny, restrict, or prohibit the acquisition of a 340B drug by, or delivery of a 340B drug to, a covered entity, a pharmacy that is under contract with a covered entity to receive and dispense a 340B drug on behalf of the covered entity, or any location authorized by a covered entity to receive such 340B drug, unless federal law prohibits receipt of the 340B drug.

(2) A manufacturer or a third party acting on behalf of a manufacturer may not, directly or indirectly, require a covered entity to submit any claims, utilization, purchasing, or other data as a condition for allowing the acquisition of a 340B drug by, or delivery of a 340B drug to, a covered entity, a pharmacy that is under contract with a covered entity to receive and dispense a 340B drug on behalf of the covered entity, or any location authorized by a covered entity to receive such 340B drug, unless federal law requires such data sharing.