Article A322-66 of the French Sports Code
In each establishment, in a place visible to all, emergency advice and the establishment’s internal regulations are displayed, together with a plan of the basin(s) and sailing area(s) currently in use, showing in particular : – the authorised limits of navigation and, where applicable, their marking or natural or artificial delimitation ; – prohibited or dangerous areas, with an indication of the nature of the danger and, where appropriate, conditions…