CFR › Title 25 › Part 580 › §580.525 CFR §580.5Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Failure to file an appeal within the time provided shall result in a waiver of the right to appeal.(b)Failure to meet any deadline for the filing of any motion or response thereto shall result in a waiver of the right to file.