Washington Revised Code Title 48. Insurance § 48.43.430. Prescription medication--Maximum charge at point of sale--Requirements

(1) Beginning January 1, 2021, the maximum amount a health carrier or pharmacy benefit manager may require a person to pay at the point of sale for a covered prescription medication is the lesser of:

(2) A health carrier or pharmacy benefit manager may not require a pharmacist to dispense a brand name prescription medication when a less expensive therapeutically equivalent generic prescription medication is available.

(3) For purposes of this section, “pharmacy benefit manager” has the same meaning as in *RCW 19.340.010.