1        Full-Time Student
2        At Least Half-time Student
3        Graduate Fellowship
4        Internship or Residency
5        Rehabilitation Training
6        Armed Forces or Public Health Services or National Oceanic and Atmospheric 
         Administration
9        Peace Corps
11       Tax-Exempt Organization Volunteer
12       Teacher Shortage
13       Temporarily Totally Disabled
14       Parental Leave
15       Mother of Preschool Child Re-entering Workforce
16       Unemployment - 36 months
17       Unemployment - 24 months
20       Persian Gulf War Active Duty
21       Pre-Bankruptcy
22       Bankruptcy
23       Special Case
24       Economic Hardship
25       Incarceration
26       Intent to Re-Enroll in School
27       ACTION Programs
28       Pre-deferment Delinquency
29       Late Repayment Start
30       Medical Problems
31       Interval between Disbursements
32       National Emergency (Military or Natural)
33       Due Diligence Cure
34       Conform Differing Due Dates
35       National Community Service
36       Education Loan Debt Burden
37       Revoked Deferment