25 CFR §900.18
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
A proposal that is not declined within 90 days (or within any agreed extension under § 900.17) is deemed approved and the Secretary shall award the contract or any amendment or renewal within that 90-day period and add to the contract the full amount of funds pursuant to section 106(a) of the Act.