It's nice to have you here on the Community page, @kris24.
In addition to Rustler's answer, QuickBooks automatically identifies the existing credits of your vendor that matches the amount of your bill, if you make the payment from the Bill page.
![a3 1.PNG a3 1.PNG](https://quickbooks.intuit.com/learn-support/image/serverpage/image-id/37004iE7592B379DA61959/image-size/large?v=v2&px=999)
![A3 2.PNG A3 2.PNG](https://quickbooks.intuit.com/learn-support/image/serverpage/image-id/37005iAD04F539E4BFA7CE/image-size/large?v=v2&px=999)
On the other hand, if you'll be paying the bill from the Pay bill tab, you can select how much credits you want to apply for that specific bill.
![a3 3.PNG a3 3.PNG](https://quickbooks.intuit.com/learn-support/image/serverpage/image-id/37006i7248220D0090DE15/image-size/large?v=v2&px=999)
![a3 4.PNG a3 4.PNG](https://quickbooks.intuit.com/learn-support/image/serverpage/image-id/37007iCE0B0059F901EC1F/image-size/large?v=v2&px=999)
For additional reference about vendor credits, read these articles:
Leave a comment below if you have any other questions. I'm a few clicks away to help. Have a good day!