Court of Appeals for the Federal Circuit December 8, 2000, Nos. 99-7061, 99-7071, 99-7084, and 99-7085 (Disabled American Veterans v. Gober)

SCHALL, Circuit Judge.

Disabled American Veterans (“DAV”), National Organization of Veterans’ Advocates, Inc. (“NOVA”), Paralyzed Veterans of America (“PVA”), and Vietnam Veterans of America, Inc. (“WA”) (collectively “Petitioners”) challenge the validity of certain regulations promulgated by the Department of Veterans Affairs (“VA”) and codified at 38 C.F.R. §§ 20.1400-20.1411.