; and (B) to encourage relevant public-private partnerships. (2) Credits to fund Any cash donations accepted under paragraph (1) shall be credited to, and form a part of, the Fund. (3) Reporting Each donation received under paragraph (1) that is used for, or directly related to, the reduction of the deferred maintenance backlog of the National Park Service, the national wildlife refuge system maintenance backlog of the United States Fish and Wildlife Service, the public access and recreation backlog of the Bureau of Land Management, and the school construction backlog of the Bureau of Indian Education, shall be included with the annual budget submission of the President to Congress. (h) Investment of amounts (1) In general The Secretary of the Interior may request the Secretary of the Treasury to invest any portion of the Fund that is not, as determined by the Secretary of the Interior, required to meet the current needs of the Fund. (2) Requirement An investment requested under paragraph (1) shall be made by the Secretary of the Treasury in a public debt security— (A) with a maturity suitable to the needs of the Fund, as determined by the Secretary of the Interior; and (B) bearing interest at a rate determined by the Secretary of the Treasury, taking into consideration current market yields on outstanding marketable obligations of the United States of comparable maturity. (3) Credits to Fund The income on investments of the Fund under this subsection shall be credited to, and form a part of, the Fund. 4. Offset It is the sense of Congress that the costs of carrying out this Act should be offset.