| Classification of Products (CZ-CPA_2015) - level 4 - Class | 6810 | Buying and selling services of own real estate | 
                
                  
                    | Classification of Products (CZ-CPA_2015) - level 6 - Sub-category | 681011 | Residential buildings and associated land sales or purchases services | 
                
                  
                    | Classification of Products (CZ-CPA_2015) - level 6 - Sub-category | 681012 | Time-share properties sales or purchases services | 
                
                  
                    | Classification of Products (CZ-CPA_2015) - level 6 - Sub-category | 681013 | Residential vacant land sales or purchases services | 
                
                  
                    | Classification of Products (CZ-CPA_2015) - level 6 - Sub-category | 681014 | Non-residential buildings and associated land sales or purchases services | 
                
                  
                    | Classification of Products (CZ-CPA_2015) - level 6 - Sub-category | 681015 | Non-residential vacant land sales or purchases services |