commiss regul ec novemb lai detail rule implement council regul ec minimum standard treatment price reduct harmonis index consum price text eea relev commiss european commun regard treati establish european commun regard council regul ec octob harmonis indic consum price articl conjunct articl thereof consult european central bank virtu articl regul ec member state requir produc harmonis index consum price hicp start index januari consider scope procedur differ treatment price reduct relationship price reduct purchas price harmonis methodolog treatment price reduct hicp ensur result hicp meet compar requir articl regul ec improv reliabl relev price hicp purchas price paid household purchas individu good servic monetari transact includ tax subsidi product deduct discount bulk peak purchas standard price charg exclud interest servic charg ad credit arrang extra charg incur result fail pai period state time purchas made event specif price treat accord rule qualiti adjust set commiss regul ec septemb initi implement measur council regul ec harmonis indic consum price amend council regul ec measur provid regul accord opinion statist programm committe spc establish council decis eec euratom adopt regul articl aim aim regul treatment harmonis index consum price hereinaft refer quot hicp quot reduct price individu good servic order ensur hicp reliabl relev meet compar requir laid articl regul ec articl purchas price state purchas price hicp gener account reduct price individu good servic reduct attribut purchas individu good servic potenti consum special condit attach discriminatori purchas time enter agreement seller purchas product concern claim time purchas time period actual purchas expect signific influenc quantiti purchas purchas reduct price individu good servic expect standard price standard price account hicp standard price mean price condit qualif special price articl induc market temporarili offer consum persuad purchas product hereinaft refer quot induc quot deduct market ad back time offer withdrawn induc form extra extra quantiti product concern inclus product quot free charg quot benefit disregard signific articl specif chang specif price treat accord rule specif qualiti adjust articl regul ec articl implement provis regul appli member state decemb latest effect index januari index januari articl revis transit measur implement provis regul affect annual rate chang item index tenth percentag point compar index account price reduct index seri concern revis appropri gener provis relat revis polici hicp adopt accord procedur laid articl regul ec transit measur ceas appli articl entri forc regul enter forc dai public offici journal european commun regul bind entireti directli applic member state brussel novemb commiss pedro solb mira member commiss oj opinion deliv novemb publish offici journal oj oj oj