The guideline is intended to create a unified basis serving to simplify the planning, execution and acceptance of management and operating equipment. It provides guidance for the design of user interfaces of building automation systems; insofar it is an aid for formulating contract specifications by the builder-owner and user as well as for the planner and BA manufacturer. Further tasks required for the use of a property such as energy and environmental management, reporting, maintenance, etc., which have to be represented by the user interface, are not described. These functions have to be implemented in accordance with this guideliine as required by the specifics of the property, or project, in question.