When you create an invoice, you can apply an AR advance payment. You can apply the total amount of the advance or a partial amount. You can also apply the advance to multiple invoices.
If you need to apply an AR advance to an invoice, follow these steps in your Sage Intacct:
Additional Resources: Enabling AR Advances
Please refer to Enable AR Advances for more information. Take into account that if you do not enable AR Advances in Sage Intacct, you will not be able to apply them to any payments.