1. Transit shipments are carried out under the conditions set out in articles 120 to 124 above. The Director General of Customs and Excise may authorise, by way of derogation from the provisions of 2 of article 120 above, the replacement of the detailed declaration by a summary declaration.
2. They must be completed within the time limits set by the customs service which may, in addition, impose an itinerary on carriers.