How to ensure that all SO lines are invoiced in AR Module in Single Invoice.

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We have a requirement that all SO Lines have to be invoices in one Invoice.

as you know, as per standard functionality, if we assumed that we have a Sales Order with 5 Lines, if some lines of SO (NOT all Lines) are getting the Awaiting Billing Status before the remaining Lines and then Run Autoinvoice Program, the system will generate an invoice with the Order Lines with Awaiting Billing Status.

How to Restrict the system to generate one invoice for each SO?

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