statute
noun [ C or U ] uk/ˈstætʃ.uːt/ us/ˈstætʃ.uːt/
成文法;法令,法规
a law that has been formally approved and written down
statute bookUK 法典;法令全书;法规汇编
When a law is on or reaches the statute book, it has been formally approved and written down and can be used in a law court.