Thank you for participating in the thread, BP465. I'll be glad to provide more information about how to clear the unpaid balance on your 2022 invoice.

You can create a credit memo to immediately reduce a customer's current balance and here's how:

1. Select +New, then click Credit memo.
2. In the Customer dropdown, choose the customer that you want to add a credit.
3. Enter the credit memo details, such as the date and amount.
4. Hit save and close , once done.

Here's how to apply the credit memo to an invoice:

1. Click the + New icon.
2. Press Receive payment.
3. Select the customer drop-down.
4. In the Outstanding Transactions section, tick the open invoice if you want to apply the credit memo.
5. Under the Credits section, pick the credit memos you want to apply.
6. For the open invoice in the Payment column, enter how much of the credit you want to apply.
7. Leave the Payment method, Reference no, Deposit to, and Amount received fields blank.
8. Fill out the rest of the form, including the Payment date.
9. Make sure the total is correct after applying the credit memo.
10. Once done, select Save and close.

You can create a journal entry if you don't want to change your 2022 invoice. However, we recommend reaching out to your accountant to ensure your records are in order. If you don't have an accountant, you can click this article to look for an accountant: Add accountant users in QuickBooks Online.

Also, you can check this article with detailed steps on how to give a credit memo to customers: Create and apply credit memos or delayed credits in QuickBooks Online.

In case you want to learn how to reverse a journal entry or delete it entirely, feel free to check this article: Reverse or delete a journal entry in QuickBooks Online.

Please don't hesitate to leave a comment if you have further concerns about the unpaid balance on your invoice. I'm just right here to help you out.