Authorities Cited: United States Code 38 U.S.C. § 5107(a) 38 U.S.C. § 7292(d)(1) Code of Federal Regulations 38 C.F.R. § 3.159(a)(1) 38 C.F.R. § 3.303(a) Circuit Courts 928 F.2d 392, 393 125 F.3d 1477, 1481 223 F.3d 1376, 1380 381 F.3d 1163, 1168 419 F.3d 1317, 1318 451 F.3d 1331, 1334 492 F.3d 1372, 1376 520 F.3d 1330, 1334 524 F.3d 1306, 1309 539 F.3d 1373, 1382