noun
Police Act
Refers specifically to the Japanese Police Act (警察法), the statute that establishes the police system. Used in legal and administrative contexts.
警察法は、警察の組織や任務を定めている。
The Police Act stipulates the organization and duties of the police.
noun
police laws; laws governing police
A broader term for laws related to the police, not limited to the single Police Act. Often used in academic or comparative law discussions.
各国の警察法を比較研究している。
I am doing comparative research on police laws of various countries.