Authorities Cited: United States Code 29 U.S.C. § 623 29 U.S.C. § 623(d) 29 U.S.C. § 623(f)(1) 29 U.S.C. § 626(c) 29 U.S.C. § 626(d) 29 U.S.C. § 631(a) Code of Federal Regulations 29 C.F.R. § 1601.12(b) Supreme Court 411 U.S. 792 450 U.S. 248, 254 475 U.S. 574, 587 477 U.S. 242, 251-252 490 U.S. 642, 653 507 U.S. 604 530 U.S. 133, 141 544 U.S. 228, 239-241 546 U.S. 500 Circuit Courts 806 F.2d 686, 688 868 F.2d 810, 813 932 F.2d 540, 545 986 F.2d 1020, 1023 25 F.3d 1325, 1330 29 F.3d 1078, 1084 33 F.3d 674, 677 90 F.3d 1110, 1118 127 F.3d 519, 523 154 F.3d 344, 350 157 F.3d 460, 463 193 F.3d 466, 471 274 F.3d 1106, 1117 302 F.3d 367, 379 317 F.3d 564, 570-576 398 F.3d 751, 764 434 F.3d 478, 483 475 F.3d 166, 174-175 496 F.3d 584, 598 496 F.3d 598 Federal Rules of Civil Procedure Fed. R. Civ. P. 56(c)