39 C.F.R. § 501.25 Meter replacement.
Title 39 - Postal Service
The manufacturer must keep its postage meters in proper operating condition for licensees by replacing them when necessary or desirable to prevent mechanical breakdown. [60 FR 30726, June 9, 1995. Redesignated at 66 FR 55097, Nov. 1, 2001]
Title 39: Postal Service
PART 501—AUTHORIZATION TO MANUFACTURE AND DISTRIBUTE POSTAGE METERS
§ 501.25 Meter replacement.