sentences:  This idea was supported by the International Chamber of Commerce.A preliminary enquiry on the usefulness of a customs document for temporary duty-free admission, carried out by the Customs Cooperation Council with the assistance of GATT, UNESCO and ICC showed general support for the preparation of a document on the lines of the ECS carnet, which could be used to facilitate, in particular, the temporary admission of professional equipment and of goods for display or use at exhibitions, fairs, etc.Since two Conventions concerning the temporary admission of these items were in the course of preparation, it was recognised that it would be highly desirable that the Convention creating the new document should be ready for adoption by the Council, at the same time as these Conventions; or as soon as possible thereafter.