You are not to break the law.
Hōritsu o okashite waikenai.
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
to commit (e.g. crime); to perpetrate; to make (e.g. mistake); to break (e.g. rule); to violate; to transgress; to contravene; to rape; to violate; to ravish; to deflower
if ... then; when; and; why don't you...?; the more (one does something); because; since