25 CFR §1000.1230

1. (a)Prior to submission of a waiver request. A Tribe/Consortium considering a waiver request under this part may request, and a bureau shall provide, technical assistance to assist the Tribe/Consortium to prepare and submit the waiver request.
2. (b)After submission of a waiver request. Not later than 60 days after receipt of a Tribe's/Consortium's waiver request, unless the parties agree on another date, a bureau shall, if applicable:
   1. (1)Provide technical assistance to overcome any objection which the bureau might have to the request while a waiver request is under consideration; and/or
   2. (2)Identify additional information that may assist the bureau in making a decision.