According to 5 USCS Appx § 3, the term "advisory committee" means "any committee, board, commission, council, conference, panel, task force, or other similar group, or any subcommittee or other subgroup thereof (hereafter in this paragraph referred to as "committee"), which is
(A) established by statute or reorganization plan, or
(B) established or utilized by the President, or
(C) established or utilized by one or more agencies,
in the interest of obtaining advice or recommendations for the President or one or more agencies or officers of the Federal Government except that such term excludes (i) any committee that is composed wholly of full-time, or permanent part-time, officers or employees of the Federal Government, and (ii) any committee that is created by the National Academy of Sciences or the National Academy of Public Administration."