Intends health care insurers to have open pharmacy networks. Insurers must offer contractual agreements to all pharmacies willing to meet applicable terms and conditions of the policy contract. Insurers may not impose upon a beneficiary a copay, deductible, coinsurance, or prescription quantity limit that is not imposed upon all beneficiaries in the plan. Pharmacy services are known to be a necessary component in the overall health care system. Therefore, the legislature intends to promote access to ensure the citizens of Washington state can easily obtain their pharmacy services.