The Secretary may suspend payment of any portion of financial assistance extended to any coastal state under this chapter, and may withdraw any unexpended portion of such assistance, if the Secretary determines that the coastal state is failing to adhere to (A) the management program or a State plan developed to manage a national estuarine reserve established under
section 1461 of this title, or a portion of the program or plan approved by the Secretary, or (B) the terms of any grant or cooperative agreement funded under this chapter.