The Department of Consumer and Regulatory Affairs is responsible for protecting the health, safety, economic interests and life of residents, businesses and visitors in Washington, D.C. The department issues occupational, business and professional licenses, as well as weights and measures device registries. It provides consumer education and advocacy services. The Department of Consumer and Regulatory Affairs also offers residential and third-party inspection options. The department administers, interprets and enforces zoning regulations. Its office of the surveyor maintains the legal records of land plots and subdivisions of private and district government properties. The department investigates complaints from residents and referrals from several agencies and organizations. The Department of Consumer and Regulatory Affairs additionally provides online services.