| Custodial | OLI_CONTRIBREASON_CUST | 2 |
| Custodial, 403(b) | OLI_CONTRIBREASON_CUST403B | 3 |
| Deferral | OLI_CONTRIBREASON_DEF | 4 |
| Deferral, After Tax | OLI_CONTRIBREASON_DEFAFTTAX | 5 |
| Discretionary | OLI_CONTRIBREASON_DISC | 6 |
| Discretionary, After Tax | OLI_CONTRIBREASON_DISCAFTTAX | 7 |
| Match | OLI_CONTRIBREASON_MATCH | 1 |
| Other | OLI_OTHER | 2147483647 |
| Unknown | OLI_UNKNOWN | 0 |
| Voluntary, After Tax | OLI_CONTRIBREASON_VOLAFTTAX | 8 |
|