How do I cancel an adjustment note?

Welcome to the Community, jo75. 

When you say cancel an adjustment note, do you mean you would like to delete it or unapply it from an invoice?

If you would like to delete this adjustment note, you can follow these steps:

1. Open the adjustment note.
2. On More select Delete.

However, if you would like to unapply it on from an invoice and would like to keep the adjustment note for that customer, kindly follow these steps. 

1. Open the adjustment note.
2. On the upper right hand corner, select 1 payment link and then the date.
3. On the Credits section, untick the Adjustment note.
4. Then select Save and close.

This adjustment note will show as Unapplied status on the customer's Transaction List. 

You can also check this article for your future reference: Applying an adjustment note.

Please let me know if you still need help with adjustment note in QuickBooks. I’ll be here to assist you further.