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To use a bill-to party for internal orders, you have defined the internal order type that the system uses when it generates internal orders automatically. In the internal order type, there are predefined values for basic settings, such as settlement, field selection, status, and so on. You have customized bill-to party order types on the basis of the controlling area, the service order type, and the account assignment category in Customizing for VSS under Order > Basic Functions > Account Assignment > Internal Order for Bill-to Party > Define Internal Order for Bill-To Party.
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