bylaw
noun [ C ]
(also bye-law) uk/ˈbaɪlɔː/ us/-lɑː/ GOVERNMENT, LAW
a law made by local government that only relates to its particular region:
Taxi drivers in the city are controlled by very stringent bylaws and licensing conditions.
US
a rule which governs the members of an organization:
Under the Federation's bylaws, no one can serve as president for more than two terms.