39 C.F.R. § 501.21 Keys and setting equipment.
Title 39 - Postal Service
The meter manufacturer must furnish keys and other essential equipment for setting the meters to all post offices under whose jurisdiction its meters are licensed for use. These items must be protected and must not be furnished to persons not authorized by the Postal Service to possess them. The Postal Service shall maintain control over the procurement, manufacture, and distribution of meter security seals. Manufacturers must reimburse the Postal Service promptly for the cost of the seals. All costs associated with meter security seals are apportioned twice annually to the meter manufacturers by the installed base of each manufacturer. [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
§ 501.21 Keys and setting equipment.

