ABB Terra 53 Operator's Manual page 16

10. The EMSP must make appropriate agreements with the operator of the charging facility to
ensure that the data packets used for billing purposes are stored for a sufficient length of
time in order to be able to complete the associated business transactions.
11. In the event of a justified request for verification, the EMSP has to enable the
authentication of the copies of the product belonging to these operating instructions by
providing suitable identification means for the purpose of carrying out calibrations,
diagnostic tests and usage monitoring measures.
12. All of the above obligations apply to the EMSP as the user of measured values in the sense
of Section 33 MessEG even if it obtains the measured values from the charging facilities via
a roaming service provider.
13.
16 | Terra 53/23 Charging Station User and Operator Guide version 1.0