decis joint committe decemb amend protocol joint committe regard agreement european econom commun swiss confeder sign brussel juli articl thereof commun consequ implement result gatt multilater trade negoti tokyo round amend nomenclatur common custom tariff head no commun replac unit account ecu commun legal instrument replac affect common custom tariff head no appear tabl annex protocol nomenclatur product refer agreement adjust accord amend decid articl tabl contain articl protocol amend head column subhead quot quot insert subhead quot quot nomenclatur annex protocol amend amp lt pic file quot quot amp gt tabl annex protocol amend amp lt pic file quot quot amp gt articl decis enter forc januari brussel decemb joint committe chairman duchateau