It's nice to have you here in the Community, winnkoh.
The ability to customise a payment receipt is unavailable. For now, well take this as a product suggestion. Please be assured that with your feedback, we can see what we need to improve and what new features you would like us to add in future product enhancement.
I encourage you to visit our QuickBooks blog. From there, you'll be updated with the features and enhancements that our developers are currently working on.
I'm also including these articles about forms that you can personalise for future reference:
You can reach out back to me if there's anything else you need.
