Before you create an item for retention, make sure you have set up an account for Retentions Receivable.
To do this task
Go to the Lists menu and click Item List.
Click Item at the bottom of the list and click New.
Click the Type drop-down list and click Other Charge.
In the Item Name/Number field, enter Retention.
In the Description field, enter Amount deducted for
In the Amount or % field, enter -10% (negative ten percent).
Click the Account drop-down list arrow and click Retentions Receivable.
Click OK to create the new item.
Handle customer retention or