WC Retainage: This Billing
This field displays the total amount of retainage for this contract and billing.
If retainage has been entered for contract items, the field defaults the total amount of retainage withheld for all items. If no retainage has been entered for contract items, defaults to 0.00; may be overridden. Be aware that by entering a value here, you will override any values entered at the contract item level.