Del. Code tit. 29, § 7964

The sponsor and resident manager of each congregate housing facility shall be responsible for publishing and posting in prominent places a standard of conduct for residents which is not disruptive to others within the facility, to the community, or to the residents of neighboring residences or businesses. The use of alcohol or illegal drugs in such facilities is prohibited. Loud or boisterous behavior, music or other noise in violation of state or local noise laws, rules and regulations that deprives other residents of the quiet enjoyment of the facility shall be prohibited at all times, especially between sunset and sunrise.