Project reference
    The identification of the project the invoice refers to
About
    - ID
 
    IBT-011 
    
    - Cardinality
 
    0..1 
    
    
    
    - Section
 
    - Shared
 
    
    
    - Name
 
    - Project reference
 
    
    
    
    
    - Syntax binding
 
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    - Rules
 
    - 
        
            
            
            
            - IBR-090: [ibr-090]-Only one project reference (ibt-011) is allowed on document level.
 
            
            
            
            
            - IBR-SR-39: [ibr-sr-39]-Project reference (ibt-011) MUST occur maximum once.