Presidential Libraries Act of 1986
“ The Archivist shall provide for the establishment in such Trust Fund of separate endowments for the maintenance of the land, facility, and equipment of each Presidential archival depository, to which shall be credited any gifts or bequests received under paragraph (1) that are offered for that purpose. Income to each such endowment shall be available to cover the cost of facility operations, but shall not be available for the performance of archival functions under this title. ”
