Section 607 permits agencies, in complying with sections 603 and 604, to provide either a quantifiable or numerical description of the effects of a rule or more general descriptive statements if quantification is not practicable or reliable.
Rules that will be enacted must have valid numerical descriptions to be considered.
mnli hypothesis: Rules that will be enacted must have valid numerical descriptions to be considered. premise: Section 607 permits agencies, in complying with sections 603 and 604, to provide either a quantifiable or numerical description of the effects of a rule or more general descriptive statements if quantification is not practicable or reliable.