; and (D) the term loss development factor means an adjustment to be made to reserves held for losses incurred for claims reported by any person engaged in the business of insurance, for the purpose of bringing such reserves to an ultimate paid basis. . (b) Related provision For purposes of section 5 of the Federal Trade Commission Act ( 15 U.S.C. 45 ) to the extent such section applies to unfair methods of competition, section 3(c) of the McCarran-Ferguson Act shall apply with respect to the business of health insurance without regard to whether such business is carried on for profit, notwithstanding the definition of Corporation contained in section 4 of the Federal Trade Commission Act. 304. Leveling the playing field between payers and providers (a) Exemption It shall not be a violation of the antitrust laws for one or more private health insurer issuers or their designated agents to jointly negotiate prices of particular hospital services with a hospital provider with regards to the reimbursement policies of the insurers for those services. (b) Definitions For purposes of this section: (1) Antitrust laws The term antitrust laws has the meaning given it in subsection (a) of the 1st section of the Clayton Act ( 15 U.S.C. 12(a) ), except that such term includes section 5 of the Federal Trade Commission Act ( 15 U.S.C. 45 ) to the extent such section 5 applies to unfair methods of competition. (2) Health insurance issuer The term health insurance issuer means an insurance company, insurance service, or insurance organization (including a health maintenance organization, as defined in subparagraph (C)) which is licensed to engage in the business of insurance in a State and which is subject to State law which regulates insurance (within the meaning of section 514(b)(2) of the Employee Retirement Income Security Act of 1974 ( 29 U.S.C. 1144(b)(2) ). Such term does not include a group health plan. (3) Health maintenance organization The term health maintenance organization means— (A) a Federally qualified health