How to group lines into one Invoice with the same Sales Order number?

Hi,

We have this requirement to group into one invoice all the shipments/deliveries of one sales order with staggered deliveries.

Below are the setups involving this requirement;

1. OM Order Type = Sales Order

Header Fulfillment Flow:   Generic with Header Level Invoice Interface

Line Fulfillment Flow:   Generic with Header Level Invoice Interface

2. (Profile Option) OM: Invoice Numbering Method = Delivery Name (this enables us to copy the doc. number as invoice number during autoinvoice)

3. Transaction Source = Sales Order - OM

Automatic Batch Numbering = NO

Automatic Transaction Numbering = NO

Copy Document Number to Transaction Number = YES

Grouping Rule = SO - Header Level

4. Grouping Rule = SO - Header Level