 A rating list is required to identify each relevant non-domestic property in the area, and assign a rateable value, based on a rental valuation of the property.Some types of property, such as public utilities, are valued using a statutory formula instead.The task of compiling and maintaining the list is given to the valuation officer for each authority, who is a civil servant of the Valuation Office Agency, an Executive Agency of Her Majesty's Revenue and Customs.