horstoeko\zugferd\entities\extended\ram\HeaderTradeAgreementType:
    properties:
        sellerTradeParty:
            -
                NotNull:
                    groups:
                        - xsd_rules
            -
                Valid: null
        buyerTradeParty:
            -
                NotNull:
                    groups:
                        - xsd_rules
            -
                Valid: null
        salesAgentTradeParty:
            -
                Valid: null
        buyerTaxRepresentativeTradeParty:
            -
                Valid: null
        sellerTaxRepresentativeTradeParty:
            -
                Valid: null
        productEndUserTradeParty:
            -
                Valid: null
        applicableTradeDeliveryTerms:
            -
                Valid: null
        sellerOrderReferencedDocument:
            -
                Valid: null
        buyerOrderReferencedDocument:
            -
                Valid: null
        quotationReferencedDocument:
            -
                Valid: null
        contractReferencedDocument:
            -
                Valid: null
        additionalReferencedDocument:
            -
                Valid: null
        buyerAgentTradeParty:
            -
                Valid: null
        specifiedProcuringProject:
            -
                Valid: null
        ultimateCustomerOrderReferencedDocument:
            -
                Valid: null
