何人も、実行の時に適法であつた行為又は既に無罪とされた行為については、刑事上の責任を問はれない。又、同一の犯罪について、重ねて刑事上の責任を問はれない。

（英文）
No person shall be held criminally liable for an act which was lawful at the time it was committed, or of which he has been acquitted, nor shall he be placed in double jeopardy.