The ratification of No. 135 of the Acts of 1971 by the District and all proceedings taken thereunder are validated and confirmed in all respects. Any action heretofore authorized by the District under No. 135 of the Acts of 1971 or under prior law, including the bond vote of May 21, 1970, shall hereafter be implemented in accordance with the charter of the District as amended by this act. (Added 1971, No. 266 (Adj. Sess.), § 10.)