We'll have to create a credit memo or process a refund to reverse the payment, treasurer-wiscas. I'm here to ensure you can complete this task on time.
To enter the credit memo:
Open your company and head to the + New menu to select Credit memo.
Choose the customer's name from the Customer dropdown,
Key in the credit memo details and enter a negative amount for the stop payment.
In case the check has already been deposited, record a refund entry in your company. See this article for detailed instructions: Record a customer refund in QuickBooks Online. From there, choose the process that best fits your situation.
Furthermore, click each link below if you need guidance on how to handle a customer's bounced checks and other sales-related activities: