Tick on this blue button (1) to reject all lines at once. Click the red button here to cancel the rejection before responding (2). 





It is mandatory to select at least one rejection reason per rejected line. You can apply the same rejection to all rejected lines. 

Reject the line by clicking the blue button, then add rejection reasons by clicking on the red button, then click on RESPOND. 





In order to  add a rejection reason, click on the plus sign (4). Repeat as many times as you need to add several rejection reasons for each line item. 



Select a reason from the list (5) and don’t forget to add a comment (6). Click on "Save" (7). To apply the selected reason to all the lines at once, click on the switch. 

Click on "plus" to add more reasons (8).  Click on the blue icon to delete the reason (9).  Click on "Close" and the rejection reasons will be linked to the declined lines.