DVSA Special notice 01/23


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The DVSA have released special notice 01/23

This notice covers several items relating to MOT testing, but specifically to our equipment industry is section 2.1 and 2.2 i have added a summary below , but to access the full special notice please use the link to .gov website MOT special notice 01-23: inspection manual and testing guide updates – GOV.UK (www.gov.uk)

2.1 Decelerometer calibration

From 1 April 2023, all decelerometers must be calibrated at intervals not exceeding 1 year. This is a change from the current 2 year cycle.

Decelerometer calibration certificates issued before 1 April 2023 will be acceptable until they expire. After this, the equipment must be calibrated annually.

2.2 Roller brake testers (RBT), plate brake testers (PBT) and headlamp aim testers

From 1 April 2023, calibration of brake testers and headlamp testers will no longer be acceptable if completed by vehicle testing station (VTS) staff.

Calibration must only be completed by either:

  • the original manufacturer
  • a company that has taken over responsibility for equipment support from the manufacturer
  • a calibration specialist

VTSs employing independent calibration specialists must satisfy themselves of the technical competence and viability of the company concerned and be able to demonstrate this to DVSA upon request.