The bill establishes a new section in chapter 74.09 RCW that mandates the Washington State Health Care Authority to provide Medicaid coverage for all FDA-approved HIV antiviral drugs without requiring prior authorization or step therapy. This coverage is applicable to Apple Health clients enrolled in both fee-for-service and managed care programs. Additionally, managed health care systems must also offer this coverage without prior authorization or step therapy upon initiating or renewing their contracts with the authority.

The bill was passed by both the Senate and the House and received approval from the Governor, who vetoed Section 2, which included an emergency clause stating the act was necessary for the immediate preservation of public health and safety. The Governor's veto was based on the assertion that the funding for these medications is already included in the Health Care Authority's base expenditures, indicating that there would be no interruption in coverage. The effective date for the provisions of the bill is set for July 1, 2025.