39 CFR §3023.10
- (a)A rate or service inquiry shall be in writing and should contain:
- (1)The name, address, and telephone number of the inquiring party;
- (2)Details regarding the Postal Service's action or inaction;
- (3)A statement of facts supporting the inquiring party's allegations; and
- (4)The specific relief being sought, if any.
- (b)The Commission may waive any of the requirements listed in paragraph (a) of this section to serve the interests of justice.