WITHIN GRADE INCREASES (WIGI)
| Pay Plan | Steps | Waiting Period |
| General Schedule (GS) - 10 Step Scale | 1 to 2 2 to 3 3 to 4 | 1 Year |
| 4 to 5 5 to 6 6 to 7 | 2 Years | |
| 7 to 8 8 to 9 9 to 10 | 3 Years | |
| Wage System (WG, WL, WS) - 5 Step Scale | 1 to 2 | 26 Wks (6 Mths) |
| 2 to 3 | 78 Wks (18 Mths) | |
| 3 to 4 4 to 5 | 104 Wks (24 Mths) | |