39 C.F.R. § 959.29 Official record.
Title 39 - Postal Service
The transcript of testimony together with all pleadings, orders, exhibits, briefs and other documents filed in the proceedings shall constitute the official record of the proceeding.
Title 39: Postal Service
PART 959—RULES OF PRACTICE IN PROCEEDINGS RELATIVE TO THE PRIVATE EXPRESS STATUTES
§ 959.29 Official record.

