The recreation and conservation funding board or office may receive gifts, grants, or endowments from public and private sources that are made from time to time, in trust or otherwise, for the use and benefit of the purposes of RCW
79A.25.800 through
79A.25.830 and spend gifts, grants, or endowments or income from the public or private sources according to their terms, unless the receipt of the gifts, grants, or endowments violates RCW
42.17A.560.