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ANNEX I CU.K. Requirements for construction, testing, installation, and inspection
Appendix 11
COMMON SECURITY MECHANISMS U.K.
PART BU.K. SECOND-GENERATION TACHOGRAPH SYSTEM
11.VU — EXTERNAL GNSS FACILITY COUPLING, MUTUAL AUTHENTICATION AND SECURE MESSAGINGU.K.
11.3. Mutual Certificate Chain Verification U.K.
11.3.2 During VU — EGF Coupling U.K.
CSM_209In deviation from requirement CSM_167, an EGF shall use the GNSS time to verify the temporal validity of any certificate presented.U.K.