Affirmative defense
Affirmative defense means, in the context of an enforcement proceeding, a response or a defense put forward by a defendant, regarding which the defendant has the burden of proof, and the merits of which are independently and objectively evaluated in a judicial or administrative proceeding.
Source
40 CFR § 63.782
Scoping language
Terms used in this subpart are defined in the Clean Air Act (CAA), in subpart A of part 63, or in this section as follows: