The authority for these regulations is (a) Executive Order 11988, May 24, 1977, which replaced Executive Order 11296, August 10, 1966, (b) Executive Order 11990, May 24, 1977, (c) Reorganization Plan No. 3 of 1978 (43 FR 41943); and (d) Executive Order 12127, April 1, 1979 (44 FR 1936). E.O. 11988 was issued in furtherance of the National Flood Insurance Act of 1968, as amended (Pub. L. 90-488); the Flood Disaster Protection Act of 1973, as amended (Pub. L. 93-234); and the National Environmental Policy Act of 1969 (NEPA) (Pub. L. 91-190). Section 2(d) of Executive Order 11988 requires issuance of new or amended regulations and procedures to satisfy its substantive and procedural provisions. E.O. 11990 was issued in furtherance of NEPA, and at section 6 required issuance of new or amended regulations and procedures to satisfy its substantive and procedural provisions.

[45 FR 59526, Sept. 9, 1980, as amended at 48 FR 44543, Sept. 29, 1983]