# Commission Decision of 6 October 2009 on the definition of the European Electronic Toll Service and its technical elements (notified under document C(2009) 7547) (Text with EEA relevance) (2009/750/EC), Division 3: As a minimum, standardised roadside interfaces between OBE and Toll Chargers’ fixed or mobile equipment shall enable:

Extent: E+W+S+N.I.

(a) DSRC (Dedicated Short-Range Communication) charging transactions;
(b) Real-time compliance checking transactions;
(c) Localisation augmentation (where applicable).
EETS Providers must implement all these three interfaces in their OBE. Toll Chargers may implement any or all of these interfaces in their fixed or mobile roadside equipment according to their requirements.

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Source: https://www.legislation.gov.uk/eudn/2009/750/annex/II/division/3 (the official version)
Page: https://openlegislation.uk/eu-decision-2009-750/annex-II/division-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.