39 C.F.R. § 3001.86 Proceedings on the record.
Title 39 - Postal Service
If a complaint is not resolved or settled under informal procedures, the Commission shall consider whether or not, in its discretion, a proceeding on the record with an opportunity for hearing should be held on such complaint. If the Commission has reason to believe that the complaint may be justified and that a hearing may otherwise be appropriate in the exercise of its discretion, the Commission shall issue a notice of proceeding pursuant to §3001.17, and further formal proceedings shall then be held as appropriate under the Commission's rules in subpart A of this part.
Title 39: Postal Service
PART 3001—RULES OF PRACTICE AND PROCEDURE
Subpart E—Rules Applicable to Rate and Service Complaints
§ 3001.86 Proceedings on the record.