You can calculate the offsets of space boundaries according to an area calculation standard defined for a drawing. Area calculation standards usually contain country or organization specific rules by which space boundaries must be set up. AutoCAD Architecture 2023 toolset provides 3 predefined area calculation standards based on the rules of the BOMA, DIN-277, and SIS standards. In addition, a generic Basic standard is supplied. For more detailed information, use a regulation book for the desired standard.