after the item relating to section 725 the following: Sec. 726. Prohibition on blocking consumer decision-support tools. . (c) Internal Revenue Code (1) In general Subchapter B of chapter 100 of the Internal Revenue Code of 1986, as amended by section 2, is further amended by adding at the end the following new section: 9826. Prohibition on blocking consumer decision-support tools (a) In general A group health plan offering group health insurance coverage shall not enter into a contract with an entity that provides pharmacy benefit management services with respect to such plan if such contract includes any terms, conditions, or costs that would prevent or restrict a covered third party from accessing or using information, for purposes of the consumer decision-support tool, relevant to the operability, implementation, and utilization of the consumer-decision support tool regarding prescription drug benefits under the plan that are administered by the entity providing pharmacy benefit management services in contract with the plan. (b) Definitions In this section: (1) Consumer decision-support tool The term consumer decision-support tool means a tool designed to inform participants and beneficiaries in a group health plan about all costs to the participant or beneficiary for prescription drugs covered by the plan, including out-of-pocket, copayment, and coinsurance responsibility, as well as costs to the participant or beneficiary, such as purchasing at the cash price or purchasing through mail order pharmacy benefits. (2) Covered third party The term covered third party means a third party that is in contract, as a business associate (as defined in section 160.103 of title 45, Code of Federal Regulations (or successor regulations)), with a group health plan or a health insurance issuer offering group health insurance coverage to provide a consumer decision-support tool. (c) Rules of construction (1) Nothing in this section shall be construed to alter existing obligations of a covered entity or business associate