Section 3100.40 - Purpose(a) This subpart establishes USDA policy regarding the enhancement, protection, and management of the cultural environment.(b) This subpart establishes procedures for implementing Executive Order 11593, and regulations promulgated by the Advisory Council on Historic Preservation (ACHP) "Protection of Historical and Cultural Properties" in 36 CFR part 800 as required by § 800.10 of those regulations.(c) Direction is provided to the agencies of USDA for protection of the cultural environment.