noun
anti-... law; prevention law
Used as a suffix in legal and regulatory contexts to name a law aimed at preventing something, e.g. 大気汚染防止法 (Air Pollution Control Law).
大気汚染防止法は1968年に制定された。
The Air Pollution Control Law was enacted in 1968.
この行為は特定商取引法や景品表示法などの消費者保護関連の防止法に違反する可能性がある。
This act may violate consumer protection-related prevention laws such as the Specified Commercial Transactions Law and the Act against Unjustifiable Premiums and Misleading Representations.
規制法 (regulation law) sets rules and restrictions, whereas 防止法 emphasizes preventing a specific harm.
Compound of 防止 (prevention) + 法 (law).