# Commission Implementing Regulation (EU) 2016/480 of 1 April 2016 establishing common rules concerning the interconnection of national electronic registers on road transport undertakings and repealing Regulation (EU) No 1213/2010 (Text with EEA relevance), Division 1: ARCHITECTURE

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

ERRU shall be composed of the following parts:
1.1. A central hub, which shall be able to receive a request from the requesting Member State, validate it and process it by forwarding it to the responding Member States. The central hub will wait for each responding Member State to answer, consolidate all the answers and forward the consolidated response to the requesting Member State.
1.2. A national system per Member State, which shall be fitted with an interface capable of both sending requests to the central hub and receiving the corresponding replies. National systems may use propriety or commercial software to transmit and receive messages from the central hub.
1.3. All messages exchanged shall be routed through the central hub.

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Source: https://www.legislation.gov.uk/eur/2016/480/annex/I/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2016-480/annex-I/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.