commiss regul ec march fix exchang rate applic structur environment measur commiss european commun regard treati establish european commun regard council regul ec decemb establish agrimonetari arrang euro regard commiss regul ec decemb lai detail rule applic agrimonetari system euro agricultur sentenc articl thereof accord articl regul ec oper event amount structur environment charact januari year decis grant aid accord sentenc articl regul ec exchang rate averag exchang rate applic month preced date oper event calcul pro rata tempori adopt regul articl exchang rate shown annex appli amount structur environment charact refer articl regul ec articl regul enter forc dai public offici journal european union regul bind entireti directli applic member state brussel march commiss mariann fischer boel member commiss oj oj regul amend regul ec oj annex exchang rate refer articl eur averag decemb decemb cypru pound czech koruna danish krone estonian kroon hungarian forint lithuanian lita latvian lat maltes lira polish zloti slovak koruna slovenian tolar swedish krona pound sterl