ANNEX I CRequirements for construction, testing, installation, and inspection
Appendix 11
COMMON SECURITY MECHANISMS
PART BSECOND-GENERATION TACHOGRAPH SYSTEM
11.VU — EXTERNAL GNSS FACILITY COUPLING, MUTUAL AUTHENTICATION AND SECURE MESSAGING
11.3.Mutual Certificate Chain Verification
11.3.2During VU — EGF Coupling
CSM_209
In deviation from requirement CSM_167, an EGF shall use the GNSS time to verify the temporal validity of any certificate presented.