Part I: REGULATIONS ON TECHNICAL CONDITIONS APPLICABLE TO CONTAINERS WHICH MAY BE ACCEPTED FOR INTERNATIONAL TRANSPORT UNDER CUSTOMS SEAL - Council Regulation (EEC) No 3237/76 of 21 December 1976 on the advance implementation of the Technical Annexes and the advance use of the specimen TIR carnet of the Customs Convention on the international transport of goods under cover of TIR carnets (TIR Convention) of 14 November 1975, Geneva