Opium Control Act
Refers to the Japanese law regulating opium and related substances. Used in legal and official contexts.
The Opium Control Act strictly regulates the handling of opium.
Full kanji spelling using 阿片 for opium; less common but still encountered in legal contexts.
Compound of あへん (opium) and 法 (law). The term あへん derives from English 'opium' or Dutch 'opium', adapted into Japanese.