43 CFR § 30.207
What happens if nobody files for de novo review?
June 11, 2020
If no interested party requests de novo review within 30 days of the date of the written decision, it will be final for the Department. OHA will send:
(a) The complete original record and the final order to the agency that prepared the probate file; and
(b) A copy of any relevant portions of the record to any other affected agency.