EFFECTIVE DATE AND TRANSITION.

SEC. 104. EFFECTIVE DATE AND TRANSITION. (a) Effective Date.— Subchapter III of chapter 74 of title 38, United States Code, as added by section 102, shall take effect on the first day of the first pay period beginning after the earlier of— (1) July 1, 1991; or (2) the end of the 90-day period beginning on the date of the enactment of this Act. (b) Transitions Provisions.— (1) In the case of an agreement entered into under section 4118 of title 38, United States Code, before the date of the enactment of this Act that expires after the effective date specified in subsection (a), the Secretary of Veterans Affairs and the physician or dentist concerned may agree to terminate that agreement as of that effective date in order to permit a new agreement under subchapter III of chapter 74 of title 38, United States Code, as added by section 102, to take effect as of that effective date. (2) In the case of an agreement entered into under section 4118 of title 38, United States Code, before the date of the enactment of this Act that expires during the period beginning on the date of the enactment of this Act and ending on the effective date specified in subsection (a), an extension or renewal of that agreement may not extend beyond that effective date. (3) In the case of a physician or dentist who begins employment with the Department of Veterans Affairs during the period beginning on the date of the enactment of this Act and ending on the effective date specified in subsection (a) who is eligible for an agreement under section 4118 of title 38, United States Code, any such agreement may not extend beyond that effective date. (c) Savings Provision.— Except as provided in subsection (b)(1), any agreement entered into under section 4118 of title 38, United States Code, before the effective date specified in subsection (a) shall remain in effect in accordance with its terms and shall be treated for all purposes in accordance with such section as in effect on the day before such effective date. (d) Prohibition of Retroactive Agreements.— An agreement entered into under subchapter III of chapter 74 of title 38, United States Code, as added by section 102, may not provide special pay 105 STAT. 200with respect to a period before the effective date specified in subsection (a).