A city 'code', also called an 'ordinance,' is a law passed by a municipal government that deal with maintaining public safety, health, morals, and general welfare. For example, a municipality may enact housing ordinances that set minimum standards of habitability. Other ordinances deal with fire and safety regulations that residential, commercial, and industrial property owners must follow. Many municipalities have enacted noise ordinances, which prohibit prescribed levels of noise after certain hours of the evening. Below, you will find Sultan's codes regarding the standards and requirements for public participation.