Authorities Cited: Code of Federal Regulations 20 C.F.R. § 404.1520 20 C.F.R. § 404.1520(a)(4)(v) 20 C.F.R. § 404.1527(b) 20 C.F.R. § 404.1560(c) 20 C.F.R. § 404.1567(a) Supreme Court 461 U.S. 458, 461 Circuit Courts 694 F.2d 639, 642 881 F.2d 747, 750-751 885 F.2d 597, 605 53 F.3d 1035, 1039-1040 60 F.3d 1428, 1434-1435 80 F.3d 1273, 1281-1284 81 F.3d 821, 830-831 169 F.3d 595, 602 172 F.3d 1111, 1114 180 F.3d 1094, 1101 278 F.3d 947, 958-959 340 F.3d 871, 873-874 359 F.3d 1190, 1193 400 F.3d 676, 679 454 F.3d 1050, 1055-1056 466 F.3d 880, 885 468 F.3d 1111 481 F.3d 742, 750-751 495 F.3d 625, 630-639 Federal Rules of Appellate Procedure Fed. R. App. P. 43(c)(2)