Feature
| State | Year first passed |
| Maryland | 1994 |
| Rhode Island | 1994 |
| Minnesota | 1995 |
| Arkansas | 1997 |
| Connecticut | 1997 |
| Vermont | 1997 |
| Georgia | 1998 |
| Tennessee | 1998 |
| Indiana | 1999 |
| Alabama | 2000 |
| Kentucky | 2000 |
| New Mexico | 2000 |
| Utah | 2000 |
| Mississippi | 2001 |
Arizona, North Carolina and South Carolina provide full parity for state employees only.
