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Processing Inbound Self-Billing Documents 
Use
The customer transmits self-billing documents to the vendor via an EDI subsystem. The documents are read, assigned to an internal delivery and then processed.
Prerequisites
Under Settings ® Maintain General Parameters, you have set the general parameters:
Under Settings ® Maintain EDI Partner, you have set the processing parameters for the EDI partner
Under Settings ® Maintain Tolerance Groups, you have defined tolerance groups for creating new open items.
You can create a tolerance group with a blank key, so that this group is used as a default whenever the Tolerance group field is left blank in the sold-to party parameters. In this way, a check is always carried out with the parameters you specified.
Under Settings ® Maintain Sold-To Party Parameters,, you have set the processing parameters for the sold-to party
If you do not enter a tolerance group, the system creates a new open item for every difference. If you enter a tolerance group with active tolerance limits, the system only creates a new open item if the tolerance limit is exceeded.
If you have created a tolerance group with a blank key, this tolerance group is used if you do not enter another one. This tolerance group becomes the default tolerance group, and a tolerance check is always carried out. SAP recommends that you use this procedure.
If you set "Don't check" for all fields in a tolerance group, no open items are created.
If you select several options for this "number for sales document determination", the system searches for one after the other. The search terminates when a corresponding document is found. Make sure that at least one option is specified.
Under Settings ® Set Tolerance Check, you have entered tolerance limits for your tolerance groups and activated the limits by choosing Check limits.
If you do not want the system to create any open items automatically, create a tolerance group in which all checks are deactivated. The system will never create new open items where this tolerance group is used.
Features
Inbound transmissions must initially be split into individual IDocs by the EDI subsystem, each IDoc representing a delivery. These IDocs are transferred to the SAP system to be processed further:
Receipt of the first IDoc triggers creation of a transmission in the SAP system. All subsequent IDocs are added to this transmission, until a specific target quantity of IDocs is reached, or the transmission is closed (see also
Starting the Processing Step). In this way, the separate IDocs of the self-billing document are grouped together again in the vendor's SAP system.In this second step, the system compares the quantity and value transmitted for the delivery to the quantity and value contained in the internal invoice in the SAP system. For differences in value, the system automatically creates clearing entries. You can use the tolerance limit to set the system only to create new open items from a certain difference amount upwards. If a new open item is created, its value is equal to the value of the clearing entry.
