rule
(1) Rule The term “rule” means— (A) any rule as defined in section 551(4) of title 5 ; or (B) any rulemaking conducted on the record after opportunity for an agency hearing pursuant to sections 556 and 557 of title 5.
Source
42 USC § 11504(j)(1)
Scoping language
None identified. Default scope is assumed to be the entire title.