(1) The commissioner has adopted the procedure for brief adjudicative proceedings provided in RCW 34.05.482 through 34.05.494 for actions involving a network pharmacy's appeal of a pharmacy benefit manager's reimbursement for a drug subject to predetermined reimbursement costs for multisource generic drugs (reimbursement). WAC 284-180-500 through 284-180-540 describe the procedures for how the commissioner processes a network pharmacy's appeal (second tier appeal) of the pharmacy benefit manager's decision in the first tier appeal through a brief adjudicative proceeding.

This rule does not apply to adjudicative proceedings under WAC 284-02-070, including converted brief adjudicative proceedings.

(2) This section is effective January 1, 2026.