Hi Sonia,
Steve is correct regarding the POA/JC interface. You are able to apply each line to a separate job-phase-category.
When you are entering your PO, if you have selected to send to JC on the header, you will be asked after each line if you want to "Allocate to JC?". Choosing "Yes" will pop up a dialog that allows you to select the Job and the phase-category. This will default to what you selected on the header, but you are able to change the selection as desired.
You are also able to do a "combined invoice" from within POA. From the receipts grid, select one of the receipts on the vendor's invoice and click on the "Inv/Adj" button (or double click the receipt).
In the bottom left hand corner of the header there is a "Combined Inv/Adj" button. Clicking on this will pull the list of all other receipts for the same vendor. From here you just need to double click on the other receipts and this will automatically populate the details tab with all the lines from those other receipts.
If there are some lines from some of the receipts that are not on this particular invoice, you may delete them from the details tab as required.
I hope this helps.
If you need any further assistance your dealer/consultant is a pro with Purchase Orders and should be able to help.
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Ryan Brohman
Kitchener, ON