Did you know that there are other options available for QuickBooks shipping integration? We use StarShip and were able to apply UPS digital connections funds to...
Did you end up finding something? If not, there is an alternative QuickBooks shipping integration available called StarShip that offers an integration with both...
I would check out StarShip. I know they have a LOT of customers leveraging their QuickBooks app for shipping. It definitely supports multi-piece, 3rd party bill...