Bylaw (noun)

1. A rule or regulation made by an organization, such as a corporation or community association, that governs its internal affairs.
2. A local ordinance or regulation made by a municipality or other governmental body.

Origin:

From by (in addition to) + law (a rule or regulation).

Examples:

1. The corporation was found to be in violation of its bylaws.
2. The bylaws of the community association required residents to maintain their property to certain standards.
3. The bylaw was created to regulate the use of the park.
4. The bylaw was passed to prohibit smoking in public places.
5. The bylaws of the organization were created to ensure its smooth operation.