(2) The prevailing wage standards in the grantee's locality that are established by the Secretary of Labor in accordance with the Davis-Bacon Act ( 40 U.S.C. 276a, et seq.); and
(3) All relevant Federal, State, and local environmental laws and regulations.
(b) A grantee that qualifies for a grant because it enrolls a high proportion of federally connected children who reside on Indian lands is considered to receive a grant award primarily for the benefit of Indians and must therefore comply with the Indian preference requirements of section 7(b) of the Indian Self-Determination Act.