; and (2) ending at the end of the third fiscal year beginning after the date of the enactment of this Act. 4. Regulations Not later than 270 days after the date of the enactment of this Act, the Administrator of Small Business Administration shall issue such rules as are necessary to carry out section 29 of the Small Business Act ( 15 U.S.C. 656 ), as amended by this Act, and ensure that a period of public comment for such rules is not less than 60 days.