| Code | Explanation | From | Through |
|---|---|---|---|
| EJ | The Department of Energy Organization Act Excepted Service Code is for use by the Department of Energy and the Department of Homeland Security only | 03/01/1995 | 06/17/2019 |
| GP | GS physicians and dentists paid market pay under 38 U S C 7431(c) | 01/01/2006 | 04/07/2019 |
| GR | GM physicians and dentists paid market pay under 38 U S C 7431(c) | 01/01/2006 | 04/07/2019 |
| SK | SEC employees formerly under the GS, GM, and EZ pay plans Code is for use by the Securities and Exchange Commission only | 02/01/2002 | 03/19/2018 |
| SO | SEC employees formerly under the ES pay plan Code is for use by the Securities and Exchange Commission only | 02/01/2002 | 03/19/2018 |