| Code | Explanation | From | Through |
|---|---|---|---|
| 01 | Government Internal | 01/01/1970 | Present |
| 02 | Government External | 01/01/1970 | Present |
| 03 | Non-government | 01/01/1970 | Present |
| 04 | Government State/Local | 01/01/1970 | Present |
| 05 | Foreign Governments and Organizations | 01/01/1970 | Present |