1. applicants who are fulltime within the classification category of the vacancy, 2. preferred recall list applicants with seniority in the classification category of the vacancy, 3. regular employees outside the classification category of the vacancy, 4. preferred recall list applicants with no seniority in the classification category of the vacancy, 5. substitutes within the classification category of the vacancy, 6. substitutes outside the classification category of the vacancy, and. Salary: No guarantee of a certain number of days worked; Substitutes are paid per day worked.