Artikel 5

1. The Contracting States shall apply administrative and customs measures permitting the carrying out of free, uninterrupted and continuous traffic in transit. When necessary, they should undertake negotiations to agree on measures that ensure and facilitate the said transit.
2. The Contracting States undertake to use simplified documentation and expeditious methods in regard to customs, transport and other administrative procedures relating to traffic in transit for the whole transit journey on their territory, including any trans-shipment, warehousing, breaking bulk, and changes in the mode of transport as may take place in the course of such journey.