Commission Implementing Regulation (EU) 2016/799 of 18 March 2016 implementing Regulation (EU) No 165/2014 of the European Parliament and of the Council laying down the requirements for the construction, testing, installation, operation and repair of tachographs and their components (Text with EEA relevance) (c. 799)

ANNEX I C U.K. Requirements for construction, testing, installation, and inspection

Appendix 11

COMMON SECURITY MECHANISMS U.K.

PART B U.K. SECOND-GENERATION TACHOGRAPH SYSTEM

9. KEYS AND CERTIFICATES U.K.

9.2. Symmetric Keys U.K.

9.2.1 Keys for Securing VU — Motion Sensor Communication U.K.

9.2.1.2 Motion Sensor Master Key Replacement in Second-Generation Equipment U.K.

CSM_118 Vehicle unit manufacturers shall insert only one generation of K_M-VU in each vehicle unit, together with its version number. This K_M-VU generation shall be linked to the ERCA certificate upon which the VU's certificates are based. U.K.

Notes: U.K.

— A VU of generation X cannot be paired to a motion sensor of generation X-1. U.K.