Authorities Cited: United States Code 38 U.S.C. § 5103(a) 38 U.S.C. § 7261(b)(2) 38 U.S.C. § 7292 38 U.S.C. § 7292(c) 38 U.S.C. § 7292(d)(2)(B) Code of Federal Regulations 38 C.F.R. § 3.156(a) Supreme Court 332 U.S. 194, 196 Circuit Courts 275 F.3d 1361, 1364 353 F.3d 1369 364 F.3d 1321, 1324-1325 444 F.3d 1328 451 F.3d 1344, 1347 487 F.3d 881