ANNEX I CRequirements for construction, testing, installation, and inspection
4.CONSTRUCTION AND FUNCTIONAL REQUIREMENTS FOR TACHOGRAPH CARDS
4.5Data storage
4.5.4Workshop card
4.5.4.2Tachograph generation 2 application (not accessible to first generation vehicle unit)
4.5.4.2.6Calibration and time adjustment data
(336)
The workshop card shall be able to hold records of calibrations and/or time adjustments performed while the card is inserted in a recording equipment.