sentences:  Hence, due to the ECS Carnet success, in 1961 the Customs Cooperation Council adopted the Customs Convention on the ATA Carnet for the Temporary Admission of Goods (ATA Convention) which then entered into force on 30 July 1963.ATA Carnets are seen as upgraded version of ECS Carnets, which are no longer limited to commercial samples.More specific conventions for each type of applicable good were subsequently worked out and agreed on by the CCC.