40 CFR 1508.19 - Matter.
Matter includes for purposes of part 1504:
(a) With respect to the Environmental Protection Agency, any proposed legislation, project, action or regulation as those terms are used in section 309(a) of the Clean Air Act (42 U.S.C. 7609).
Title 40 published on 2013-07-01
no entries appear in the Federal Register after this date.