Subject to the availability of appropriations and the requirements of the National Wildlife Refuge System Administration Act of 1966 (
16 U.S.C. 668dd et seq.) and other applicable law, the Secretary may provide funds to match gifts, devises, and bequests made for the benefit of a particular national wildlife refuge or complex of geographically related refuges. With respect to each gift, devise, or bequest, the amount of Federal funds may not exceed the amount (or, in the case of property or in-kind services, the fair market value) of the gift, devise, or bequest.