Drivers of vehicles carrying dangerous goods shall hold a certificate issued by the competent authority stating that they have participated in a training course and passed an examination on the particular requirements that have to be met during carriage
of dangerous goods.

Training courses are following:

– Basic training course – ADR
– Specialization training course (for carriage in tanks, for carriage of class 1 or class 7) – and ADR
Comprehensive training course (basic + specialization) ADR
– Refresher training (above mentioned courses for renewal of ADR driver training certificate) – and ADR