Authorities Cited: United States Code 8 U.S.C. § 1231 8 U.S.C. § 1252(a)(1) 31 U.S.C. § 3729(b) Code of Federal Regulations 8 C.F.R. § 208.16(c) 8 C.F.R. § 208.18(a) 8 C.F.R. § 208.18(a)(1) 8 C.F.R. § 208.18(a)(5) 8 C.F.R. § 208.18(a)(6) Supreme Court 438 U.S. 422, 445 444 U.S. 394 467 U.S. 837, 844 481 U.S. 137, 150 498 U.S. 192, 200-201 515 U.S. 687, 697 526 U.S. 1, 11 530 U.S. 255, 268-269 Circuit Courts 590 F.2d 1269 595 F.2d 1287, 1298 54 F.3d 639, 642 182 F.3d 237, 261 333 F.3d 463 342 F.3d 207, 218 368 F.3d 347, 349 378 F.3d 314, 322 395 F.3d 123 418 F.3d 225, 237 434 F.3d 627, 634 478 F.3d 158 492 F.3d 226, 228 502 F.3d 109