In complying with the provisions of sections 603 and 604 of this title, an agency may provide either a quantifiable or numerical description of the effects of a proposed rule or alternatives to the proposed rule, or more general descriptive statements if quantification is not practicable or reliable.
(Added Pub. L. 96–354, §3(a), Sept. 19, 1980, 94 Stat. 1168.)
Section effective Jan. 1, 1981, see section 4 of Pub. L. 96–354, set out as a note under section 601 of this title.