You can't match a credit note to transactions in QuickBooks Online (QBO), brunsdons. I'll discuss the details on this matter.
Credit notes are use to automatically reduce the customer's current balance and you can only apply a credit note when recording a customer’s invoice payment, either for the full amount or a partial amount.
If you want to match the refund to your bank transactions, you can record it using either the Check or Expense option.
Here’s how to do it:
Check
- Click the + New icon.
- Select Cheque from the Suppliers column.
- Enter the Payee, Cheque no, and Category details. Then, add the reason why you'll void this cheque in the Memo field.
- Once done, click Save and Close.
Expense
- Click the + New icon and select Expense.
- In the Payee field, choose the supplier.
- In the Payment account field, choose the account you used to pay for the expense.
- Enter the date for the expense in the Payment date field.
- Select how you paid for the expense in the Payment method field.
- In the Category details section, enter the expense info. In the Category dropdown, select the expense account you use to track expense transactions. Then enter a description.
- Enter the Amount and Tax.
- If you plan to bill a customer for the expense, select the Billable checkbox and enter their name in the Customer field.
- Click Save and close.
Once the refund is recorded, you can now match it in the bank transaction page. Here's how:
- Go to the Transactions menu and click the Bank Transactions tab.
- Under the For Review tab, match the refund using the Check or Expense you created.

Let me know if you need anything else.