In the event of a conflict between the requirements of this chapter and Federal requirements applicable to demolition, disposition or redevelopment of buildings, structures or land owned by or held in trust for the Government of the United States and regulated pursuant to the United States Housing Act of 1937 (50 Stat. 888, 42 U.S.C. § 1437 et seq.) and the regulations promulgated thereunder, the Federal requirements shall prevail.