I wish to change an accounts receivable post to a loan account which is 12 months term. How do I adjust the original invoice post?

Hello,

Welcome to the QuickBooks Online community page. This is a very interesting question and I suggest you connect with your accountant to get the most accurate answer for your business needs. With QuickBooks Online, you can give your accountant access to your account in a few easy steps. To do so, check this community article on how to manage an accountant user in QuickBooks Online.

If you don't have an accountant, you can find a certified ProAdvisor in your area through this link.

Let me know if you need help with anything else.