Thanks for joining the thread, DEVISE CO-OP.
By default, it will unlink the attached payment when adding a paid invoice in Project. We'll need to reconnect the payment to the invoice so that your customer will not be accidentally charged twice. Editing invoices that are linked to payments will disconnect the payment. Once you’ve added the invoice to the project, we need to reconnect the payment so the invoice is marked as paid again and linked to the correct invoice. Here's how:
- Go to the Gear icon on the top menu.
- Select Chart of Accounts.
- Find the account where the payment was deposited and choose Account history.
- Find and select the payment for the invoice, then select Edit.
- In Outstanding Transactions, select the invoice checkbox that the payment applies to.
- Press Save and close.
To learn more about this one, see the Add existing invoices to QuickBooks Online Projects article. We don’t recommend adding invoices linked to more than one other transaction, billable expense, or timesheet. If you add a linked invoice to a project, only the invoice is added.
Feel free to visit our Sales and customers page for more insights about managing your company's income and customers.
If you have more questions about projects or other concerns with QuickBooks Online, please let me know in your reply. I'll be around to help you some more. You have a good one.
