Authorities Cited: United States Code 5 U.S.C. § 551 42 U.S.C. § 301 42 U.S.C. § 405(g) Code of Federal Regulations 42 C.F.R. § 405.378 42 C.F.R. § 405.378(a) Supreme Court 376 U.S. 358, 360 403 U.S. 388 499 U.S. 225, 231 Circuit Courts 405 F.2d 234, 235-239 418 F.2d 1234, 1236 949 F.2d 167, 173-175 981 F.2d 254, 256 137 F.3d 522, 524-525 497 F.3d 491, 495 Federal Rules of Appellate Procedure Fed. R. App. P. 38 Federal Rules of Civil Procedure Fed. R. Civ. P. 15(c) Fed. R. Civ. P. 15(c)(1)(C)