agreement form exchang letter european econom commun swiss confeder agricultur process agricultur product cover agreement brussel juli sir honour refer addit protocol agreement european econom commun swiss confeder consequ access kingdom spain portugues republ commun sign dai negoti place commun swiss confeder transit custom arrang appli trade spain portug hand switzerland respect agricultur process agricultur product cover abovement agreement product list annex ii confirm kingdom spain portugues republ gradual elimin differ exist basic duti defin accord articl addit protocol common custom tariff attain januari duti stipul tariff elimin spain place step portug elimin place step march case tariff head respect basic duti differ direct duti common custom tariff ecsc unifi tariff duti appli kingdom spain march portugues republ appli duti reduc differ basic duti duti common custom tariff januari case tariff head respect basic duti differ direct duti common custom tariff ecsc unifi tariff duti appli portug swiss confeder proce likewis respect product list annex iii origin portug attain januari duti stipul custom tariff switzerland exchang letter approv contract parti accord procedur oblig confirm govern republ austria agreement accept sir assur highest consider behalf council european commun brussel juli sir honour acknowledg receipt letter todai date read honour refer addit protocol agreement european econom commun swiss confeder consequ access kingdom spain portugues republ commun sign dai negoti place commun swiss confeder transit custom arrang appli trade spain portug hand switzerland respect agricultur process agricultur product cover abovement agreement product list annex ii confirm kingdom spain portugues republ gradual elimin differ exist basic duti defin accord articl addit protocol common custom tariff attain januari duti stipul tariff elimin spain place step portug elimin place step march case tariff head respect basic duti differ direct duti common custom tariff ecsc unifi tariff duti appli kingdom spain march portugues republ appli duti reduc differ basic duti duti common custom tariff januari case tariff bead respect basic duti differ direct duti common custom tariff ecsc unifi tariff duti appli portug swiss confeder proce likewis respect product list annex iii origin portug attain januari duti stipul custom tariff switzerland exchang letter approv contract parti accord procedur oblig confirm govern swiss confeder agreement honour confirm govern agreement content letter accept sir assur highest consider govern swiss confeder annex spain gt tabl gt annex ii portug gt tabl gt annex iii portug gt tabl gt