a tool designed to inform enrollees in a group health plan or health insurance coverage about all costs to the enrollee for prescription drugs covered by the plan or coverage, including out-of-pocket, copayment, and coinsurance responsibility, as well as means for reducing the cost to the enrollee, such as manufacturer copayment assistance, purchasing at the cash price, and 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 or individual health insurance coverage to provide a consumer decision-support tool. (c) Rules of construction regarding privacy (1) Nothing in this section shall be construed to alter existing obligations of a covered entity or business associate under the privacy, security, and breach notification regulations in parts 160 and 164 of title 45, Code of Federal Regulations (or successor regulations). (2) Nothing in this section shall be construed to require a group health plan, a health insurance issuer offering group or individual health insurance coverage, or an entity providing pharmacy benefit management services to share protected health information, as defined in section 160.103 of title 45, Code of Federal Regulations (or successor regulations), with a covered third party. . (b) ERISA (1) In general Subpart B of part 7 of subtitle B of title I of the Employee Retirement Income Security Act of 1974 ( 29 U.S.C. 1185 et seq. ), as amended by section 2, is further amended by adding at the end the following: 727. Prohibition on blocking consumer decision-support tools (a) In general A group health plan or a health insurance issuer 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 or coverage if