This configuration would be for any service that the client contracts, such as Reservations, Private Lessons, Subscription Fees, Activity Fees, Bonds .....
To do so, we can modify directly the rate by selecting:
Customers -> General Rates-> and then the fee we want to modify:
Once we are in the correct folder, we will see the list of subscription fees created.
We should now click the icon next to the subscription fee in which we want to set up a specific accounting account:
Now, click on the icon 
of the rate we want to add a specific accounting account to:
