Article 260 of the French Customs Code
1. Towing operations carried out under the conditions set out in articles 257 to 259 above are also reserved for the French flag: a) within the ports or territorial waters of mainland France and the French overseas departments ; b) between the ports of one of these territories; c) between the ports of Guadeloupe, French Guiana and Martinique; d) Between the ports of Mayotte and Réunion. 2. Voluntary stopovers or…