Service Item in Feature Add-ons/Custom Fields.: how to set to required? It does not let me change its options

Hello sareli,  

The Timesheet fields on the Custom Fields page originate from two sources: QuickBooks Online and QuickBooks Time. Fields marked with the QuickBooks logo are synced from QuickBooks Online and cannot be edited. 

To make changes, you’ll need to create a new custom field and set it to Required. Here’s how to add a custom field:  

1. From the Custom Fields window, click the + Add Field button, then select Add Field Anyway. 
2. Enter a name for the Name field (this is required) and check the box for Required to make it mandatory. 
   You’ll need to create at least two items associated with this field. 
3. Click the + Add Item button and enter the item’s name (required). 
4. Go back to the Field page and click the + Add Item button again to add another item. 
5. Once done, click the Save button to save the field. 

Feel free to check this article for further guidance: Set up and manage custom fields in QuickBooks Time.  

We’re here to help if you have any questions or need further assistance.