NextGen® Enterprise PM can evenly apply a payment received to each line item with amounts due. When you set a distribution option in the Practice Preferences window, that distribution option becomes the default option for the practice.
Open NextGen® Enterprise PM.
Select Admin > Preferences > Practice
The Practice Preferences window opens.
Select Transactions under the Preferences list. In the Default Transaction Spreading Transaction Source, do the following:
In Transaction Source,select the source of the transaction.