In onBoard:
  1. Select Lists
  2. Select List Templates
  3. Change the List Category to Admission
  4. Click View/Copy to the right of Candidate/Student Contracts
  5. Click the Filters tab
  6. Click the + button under Global Filters
  7. Choose Contract.Return Date
  8. In the box that appears, click the first drop-down and choose "is null"
  9. Click Select
  10. Give the list a name and click Save & Exit