The Series2K Support Center

Waste type invoices where a physical credit amount is not received should be using the INVENTORY ADJUSTMENT supplier.

See how the "TEST" invoice I created with the INVENTORY ADJUSTMENT doesn't show for 1/15 unposted non-fuel invoices?

 
You'll notice that there is an option to send ADJUSTMENTS to QB... This is where you'll see the invoices created with the Inventory Adjustment vendor: