CFR › Title 25 › Part 1000 › §1000.123525 CFR §1000.1235Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkWithin 10 business days of receipt, the officials designated by the Secretary in § 1000.1215 will email to the Tribe/Consortium a letter:(a)Acknowledging receipt of the waiver request; and(b)Identifying the date the waiver request was received and the last day of the applicable statutory review period.