1. From the Submissions Inbox, click any submitted paper.
  2. Click the rubric icon on the right-hand navigation:
    Figure 1.

    If there is no rubric in place, you will see this:

    Figure 2.
  3. Click the gear icon in the upper-right to attach a rubric:
    Figure 3.
  4. Set Attach to Assignment to On:

    Figure 4.
  5. The rubric you’ve chosen will now be available for all papers submitted for that assignment.