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EDI-Relevant Settings for the Vendor 
Use
These settings enable the system to determine the sold-to party for a self-billing document transmitted per EDI.
Prerequisites
The sender transmits the vendor number used to refer to you as vendor in the sender system (vendor number at sender.)
Procedure
With numbers that consist exclusively of numerical values, zeros may be inserted before the number, as shown above. If this is the case, the number must be entered with these extras zeros in the Account at customer fields and in the table T661W (see also: 