; or (B) the expiration of the 5-year period beginning upon the enactment of the Act making such amounts available, as such period may be extended pursuant to paragraph (2), upon such date or expiration, as applicable, the Secretary shall transfer such unobligated amounts to the Secretary of the Treasury and the Secretary of the Treasury shall cover any such amounts into the Community Development Block Grant Disaster Recovery Reserve Fund established under section 124. (2) Extension of period for use of funds The period under paragraph (1)(B)— (A) shall be extended by 2 years if, before the expiration of such 5-year period, the Secretary causes to be published in the Federal Register notification that such 2-year extension is necessary to allow the grantee to complete all activities identified in the grantee’s plan for use of such amounts that was approved by the Secretary in connection with such grant