- Go to the History supertab in Accounts Payable.
- Find the first missing Voucher in the History Tab in Accounts Payable and double-click to open it or click on the Item tab.
- In the middle of the screen is a field labeled 1099 Invoice .
- Check this box.
- Click Save.
- Click on the Line Items tab and determine if the box assignment is accurate
- Repeat for all missing Vouchers.
- Rerun your report.
If the 1099 box is checked, then the line items can have their boxes modified. If the box is not checked, then the line item boxes are not available for modification. Only line items with valid box numbers will show up on the report.