Not later than ninety days after the Secretary publishes final general regulations under paragraph (a)(3), the head of each Federal department or agency which extends Federal financial assistance to any program or activity by way of grant, entitlement, loan, or contract other than a contract of insurance or guaranty, shall transmit to the Secretary and publish in the Federal Register proposed regulations to carry out the provisions of
section 6102 of this title and to provide appropriate investigative, conciliation, and enforcement procedures. Such regulations shall be consistent with the final general regulations issued by the Secretary, and shall not become effective until approved by the Secretary.