39 C.F.R. § 501.15 Materials and workmanship.
Title 39 - Postal Service
All meters must adhere to the quality in materials and workmanship of the approved production model and must be manufactured with suitable jigs, dies, tools, etc., to ensure proper maintenance and interchangeability of parts.
Title 39: Postal Service
PART 501—AUTHORIZATION TO MANUFACTURE AND DISTRIBUTE POSTAGE METERS
§ 501.15 Materials and workmanship.
