commiss regul eec decemb fix convers factor applic tuna commiss european commun regard treati establish european econom commun regard council regul eec decemb common organ market fisheri product articl thereof commun produc price fix year tuna intend can industri convers factor applic speci size present tuna fix measur provid regul accord opinion manag committe fisheri product adopt regul articl convers factor applic speci size present tuna list annex hereto articl regul enter forc januari regul bind entireti directli applic member state brussel decemb commiss giorgio contogeorgi member commiss oj annex convers factor applic speci tuna speci convers factor yellowfin thunnu albacar weigh kg weigh kg albacor thunnu alalunga weigh kg weigh kg speci ii convers factor applic speci refer section depend present present convers factor gut gill