。
The law must not be broken.
Literal
Law [topic-は] break-[must-not-てはならない]
Topicalized form of the prohibition: 法 (formal/literary) marked as topic, then 破る (abstract 'break' for rules) under ~てはならない. The choice of verb depends on connotation — 犯す for 'commit a violation', 破る for 'break (a promise, a rule)'.