Legal framework and regulatory obligations: RID, Directive 2008/68/EC, national law and the DGSA
What the exam tests here
You must know which text actually binds a given rail consignment, how RID becomes law inside the EU, and exactly what a dangerous goods safety adviser (DGSA) is appointed for - and what the DGSA is not.
RID as the source text
RID (Règlement concernant le transport international ferroviaire des marchandises dangereuses) is Appendix C to COTIF and is administered by OTIF in Bern. It is revised every two years in odd-numbered years (RID 2023, RID 2025). The edition in force on the date of carriage governs, so a consignment built on the previous edition can fail because packing instructions, tank codes or special provisions were renumbered.
How RID becomes binding in the EU
Directive 2008/68/EC on the inland transport of dangerous goods makes RID applicable to rail carriage between and within Member States through Annex II (Section II.1 refers to RID). Section II.2 allows a Member State to apply additional or more stringent provisions to national carriage on its own territory; Section II.3 covers derogations, which must be notified to the Commission. National implementing law - typically a dangerous goods act plus a modal rail regulation - gives RID direct force and attaches penalties. In practice "RID requires" and "the law requires" are the same obligation.
The DGSA (RID 1.8.3)
Any undertaking whose activities include carriage of dangerous goods, or the packing, filling, loading or unloading connected with it, must appoint at least one DGSA holding a certificate issued after an examination approved by the competent authority (valid five years, extended by re-examination). Duties under 1.8.3.3 are monitoring and advisory: monitoring compliance on classification, packing, marking, labelling, documentation and loading; advising on those subjects; monitoring procedures and staff training; and investigating and reporting accidents. Responsibility itself stays with the operator under Chapter 1.4.
Worked example
A chemical plant fills and loads its own tank-wagons on a private siding, then hands them to a carrier. It is not the carrier, but filling and loading are listed activities, so it needs a DGSA of its own - and the carrier needs one for its carriage activity. Two advisers, two sets of duties.
Traps
Assuming only carriers need a DGSA; expecting the DGSA to sign off and absorb liability; quoting ADR paragraph numbers for rail duties; ignoring that national provisions can be stricter than RID for domestic traffic.