agreement form exchang letter european commun bulgaria provis appli pig poultri letter commun sir honour refer discuss held context europ agreement negoti commun bulgaria trade arrang applic agricultur product confirm commun notifi bulgarian author appli addit levi pig poultri sector product list annex xia xiiia europ agreement origin bulgaria parti consult work dai view exchang inform commun reach decis measur oblig confirm govern agreement accept sir assur highest consider commun letter bulgaria sir honour acknowledg receipt letter todai date read honour refer discuss held context europ agreement negoti commun bulgaria trade arrang applic agricultur product confirm commun notifi bulgarian author appli addit levi pig poultri sector product list annex xia xiiia europ agreement origin bulgaria parti consult work dai view exchang inform commun reach decis measur oblig confirm govern agreement honour confirm govern bulgaria agreement content letter accept sir assur highest consider govern bulgaria