Welcome to the Community, mirrorimagaz-gma.
I'd be glad to show you how to adjust the time frame for payment due on your invoices in QuickBooks Online.
This can be done in just a few steps. Here's how:
1. Click the Gear icon in the top right corner.
2. Select the Sales tab on the left, then Sales form content.
3. Choose the Edit icon.
4. Select the Preferred invoice terms drop-down, then choose a term.
5. Click Save and done when you're finished.
The following article provides additional details about customizing invoices, estimates, and sales receipts in QuickBooks Online.
That will do it! With this info you'll be able to edit when your customer's invoice payments are due. Feel free to comment below if you have any other questions.