GROUP_TYPE is an optional field which categorizes the group into a specific type.
X_GROUP_TYPE is a fixed lexicon with the following values:
| Saved Value | Displayed Value |
|---|---|
| 01 | Full Time |
| 02 | Part Time |
| 03 | Temp Full Time |
| 04 | Temp Part Time |
| 05 | Casual |
| 06 | Student |
| 09 | Contractor |
| 10 | Retiree |
| 20 | COBRA |
| 30 | Survivor |
| 99 | Other |
