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1. Measures which all the Contracting States or certain of them may have agreed, or shall in the future agree, to put into effect with a view to facilitating international road traffic by simplifying customs, police, health or other requirements will be regarded as being in conformity with the object of this Convention.
2. (a) A bond or other form of security guaranteeing payment of any import duties and import taxes which would, in the absence of such security, be chargeable on the importation of any motor vehicle admitted to international traffic may be required by any Contracting State.
(b) A Contracting State shall accept for the purposes of this Article the guarantee of an organization established in its own territory affiliated to an international association which has issued a valid international customs pass for the motor vehicle (such as a carnet de passages en douane).
3. For the fulfilment of the requirements provided for in this Convention the Contracting States will endeavour to keep open during the same hours customs offices and posts next to each other on the same international road.