| 12/18/03 | Prefiled | |
| 01/07/04 | S First Read | S20 |
| 01/20/04 | Second Read and Referred S Ways & Means Committee | S129 |
| 01/27/04 | Hearing Conducted S Ways & Means Committee | |
| 03/02/04 | SCS Voted Do Pass S Ways & Means Comm. (2757S.03C) | |
| 03/04/04 | Reported From S Ways & Means Committee to Floor w/SCS | S536 |
| 03/17/04 | SS for SCS S offered (Gibbons) (2757S.04F) | S675-676 |
| 03/17/04 | SA 1 to SS for SCS S offered & adopted (Griesheimer) | S676-677 |
| 03/17/04 | SS for SCS, as amended, S adopted | S677 |
| 03/17/04 | Perfected | S677 |
| 03/17/04 | Reported Truly Perfected S Rules Committee | S691 |
| 03/18/04 | S Third Read and Passed | S697 |
| 03/18/04 | H First Read | H758 |
| 03/29/04 | H Second Read | H771 |
| 04/08/04 | Referred H Tax Policy Committee | H1030 |
| 04/20/04 | Hearing Conducted H Tax Policy Committee | |
| 04/22/04 | HCS Voted Do Pass H Tax Policy Committee | |
| 04/28/04 | HCS Reported Do Pass H Tax Policy Committee | H1268 |
| 05/05/04 | HA 1 to HCS H offered & adopted (Skaggs) | H1460 |
| 05/05/04 | HCS, as amended, H adopted | H1460 |
| 05/05/04 | H Third Read and Passed | S1299 / H1461 |
| 05/07/04 | S concurs in HCS | S1381 |
| 05/07/04 | S Third Read and Passed | S1381 / H1675 |
| 05/07/04 | Truly Agreed to and Finally Passed | S1382 |
| 05/20/04 | Reported Duly Enrolled S Rules Committee | S1654 |
| 05/20/04 | Signed by Senate President Pro Tem | S1655 |
| 05/20/04 | Signed by House Speaker | H2029 |
| 05/20/04 | Delivered to Governor | S1655 |
| 06/25/04 | Signed by Governor | |
