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 2

TACHOGRAPH CARDS SPECIFICATION U.K.

3. HARDWARE AND COMMUNICATION U.K.

3.5. Command descriptions U.K.

3.5.5 VERIFY U.K.

TCS_77 Command Message U.K.

Byte	Length	Value	Description
CLA	1	‘00h’
INS	1	‘20h’	INS
P1	1	‘00h’	P1
P2	1	‘00h’	P2 (the verified CHV is implicitly known)
Lc	1	‘08h’	Length of CHV code transmitted
#6-#13	8	‘XX..XXh’	CHV