All questions
Rule hierarchy

A learner says, ‘CEVNI is one identical law that gives me permission to use every European waterway.’ Which correction is strongest?

Short answer

CEVNI contains common core inland rules used as a basis for national codes; current national and local requirements govern the real waterway

CEVNI supplies the harmonised core, while national implementation and current local directions complete the legal and operational rule stack. Revise ‘What CEVNI Is — and Who Makes the Rules’.

Quick check

A learner says, ‘CEVNI is one identical law that gives me permission to use every European waterway.’ Which correction is strongest?