Accounting: Accounts Payable/Accounts Receivable The graphic below illustrates the relevant document flow.
Document Flow: AP/AR

Before using the features described below, you need to carry out the following Customizing:
Standard FI-GL configuration
Standard FI-AP configuration
Standard FI-AR configuration
GM- GTR -specific customizing:
The notification for the Cleared Item Documents to theCRMsystem can be scheduled under .
The payment lock key and the document types can be defined in Customizing under .
The number range for the billing documents can be defined in Customizing under .
If Funds Management (FM) is not active, creation of invoicing documents per fiscal year instead of by due date can be activated (thereby reducing the number of invoicing documents created) in Customizing by choosing .
Billing
This GM-GTRbilling document can be displayed from the menu by choosing (transaction GTRBILL_DISP).
If the amount of an agreement/claim is changed and the GM- GTR billing document is not invoiced, a new GM- GTR billing document is created and the old GM- GTR billing document is marked as obsolete. Only the latest GM- GTR billing document is considered for the invoicing

If the GM- GTR billing document is still invoiced, a new adjustment GM- GTR billing document is created and the adjustment Information is stored on the document header. During invoicing a new invoicing document, referencing the predecessor invoicing document, is created.

Invoicing (creation of open items)
The GM-GTRbilling document must be invoiced with the transaction GTRINV_S (Individual Grantor Invoicing). Access this from the menu by choosing
If the Multiple Payment Recipients scenario is active, the GM-GTRbilling document must be invoiced with the transaction FMCAGTRINV_S (PSCDSingle Invoicing Run (Multiple BP Recipients)) or FMCAGTRINV_M (PSCDMass Invoicing Run (Multiple BP Recipients)). Access this from the menu by choosing .
After an open item document has been successfully created in ERP, this information must be transferred to CRM . You do this by scheduling the reporting RFGTR_NOTIFICATION.
Note
The invoicing function
Automatic Account Maintenance
is not supported from GM- GTR .
Payment (clearing of open items)
See the Accounts Payable and Accounts Receivable documentation for more information.