2 Miss. Code. R. 1-4-09-115.04
All field standards that are used for servicing and testing weights and measures devices for which a license under this regulation is required shall be submitted to the Department for initial verification and calibration and annually thereafter. A licensed service repairperson or service repair company shall not use in servicing commercial weighing or measuring devices any field standards or testing equipment that have not been calibrated or verified by the Department. In lieu of submission of physical standards, the Commissioner may accept calibration and/or verification reports from any laboratory that is formally accredited or recognized by NIST. The Department shall maintain a list of organizations from which it will accept calibration reports. The Department shall retain the right to periodically monitor calibration results and/or to verify field standard compliance to specifications and tolerances when field standards are initially placed into service or at any intermediate point between calibrations.
2 Miss. Code. R. 1-4-09-115.04