未み成せい年ねん者しゃ喫きつ煙えん禁きん止し法ほうMeaningsNoun1. Act on Prohibition of Smoking by MinorsKanji used未not yet成become年year者someone喫consume煙smoke禁prohibit止stop法lawComposed of未み成せい年ねん者しゃminor; underage personNoun喫きつ煙えんsmoking (tobacco)Noun禁きん止し法ほうnegative statute; law against somethingNoun