25 CFR §83.42

1. (a)AS-IA will issue a final determination and publish a notice of availability in the Federal Register within 90 days from the date on which he/she begins its review. AS-IA will also
   1. (1)Provide copies of the final determination to the petitioner and those listed in § 83.22(d); and
   2. (2)Make copies of the final determination available to others upon written request.
2. (b)AS-IA will strive to limit the final determination and any reports to no more than 100 pages, cumulatively, excluding source documents.