| 
               | 
            
              ItemBilling
             | 
          
| Member name | Value | Description | 
|---|---|---|
| Immediately | 0 | Billable immediately. | 
| Recurring | 1 | Recurring billing, based on the recurring rule. | 
| OnDate | 2 | Billable on a given date. | 
| WhenTaskIsCompleted | 3 | Billable when phase is marked as completed. | 
| Never | 4 | Not in use. |