of a Federal cost sharing requirement. 112. The Secretary of Commerce, or the designee of the Secretary, may waive— (1) in whole or in part, the matching requirements under sections 306 and 306A, and the cost sharing requirements under section 315, of the Coastal Zone Management Act of 1972 ( 16 U.S.C. 1455 , 1455a, and 1461) as necessary at the request of the grant applicant, for amounts made available under this Act under the heading Operations, Research, and Facilities under the heading National Oceanic and Atmospheric Administration