| 01/06/04 | Prefiled | |
| 01/07/04 | S First Read | S22 |
| 01/15/04 | Second Read and Referred S Commerce & the Environment | S118 |
| | Committee | |
| 01/20/04 | Hearing Conducted S Commerce & the Environment | |
| | Committee-Consent | |
| 02/24/04 | SCS Voted Do Pass S Commerce and the Environment | |
| | Committee (3678S.02C) | |
| 03/04/04 | Reported From S Commerce & the Environment Committee | S535 |
| | to Floor w/SCS | |
| 03/10/04 | Bill Placed on Informal Calendar | S587 |
| 03/11/04 | SA 1 to SCS S offered & adopted (Klindt) | S625 |
| 03/11/04 | SA 2 to SCS S offered & adopted (Klindt) | S625 |
| 03/11/04 | SA 3 to SCS S offered & adopted (Klindt) | S625 |
| 03/11/04 | SA 4 to SCS S offered & adopted (Klindt) | S625 |
| 03/11/04 | SA 5 to SCS S offered & adopted (Klindt) | S626 |
| 03/11/04 | SA 6 to SCS S offered & adopted (Klindt) | S626 |
| 03/11/04 | SA 7 to SCS S offered & adopted (Childers) | S626 |
| 03/11/04 | SCS, as amended, S adopted | S626 |
| 03/11/04 | Perfected | S626 |
| 03/15/04 | Reported Truly Perfected S Rules Committee | S636 |
| 03/15/04 | Referred S Governmental Accountability & Fiscal | S642 |
| | Oversight Committee | |
| 03/18/04 | Hearing Conducted S Governmental Accountability & | |
| | Fiscal Oversight Committee | |
| 03/18/04 | Voted Do Pass S Governmental Accountability & Fiscal | |
| | Oversight Committee | |
| 03/30/04 | Reported From S Governmental Accountability & Fiscal | S732 |
| | Oversight Committee to Floor | |
| 03/30/04 | S Third Read and Passed - EC adopted | S772 |
| 03/30/04 | H First Read (w/EC) | H822 |
| 03/31/04 | H Second Read | H830 |
| 04/01/04 | Referred H Tax Policy Committee | H906 |
| 04/27/04 | Hearing Conducted H Tax Policy Committee | |
| 05/04/04 | HCS Voted Do Pass H Tax Policy Committee | |