| Date | Event |
| 09/02/2025 | AAT 154 Retest Results Due |
| 09/03/2025 | AAT 155 Final Enrollment Deadline for Analyst additions requiring additional AAT samples. |
| 09/10/2025 | AAT 155 Samples Ship ~9/1; Contact us if your samples have not been received. |
| 09/16/2025 | AAT 154 Retest Results Post (available online no later than this date.) |
| 10/03/2025 | AAT 155 Final Enrollment Deadline for Analyst additions requiring no additional AAT samples. |
| 10/10/2025 | AAT 155 Results Due |
| 10/24/2025 | AAT 155 Results Post (available online no later than this date). |
| 11/07/2025 | AAT 155 Retest Orders Due |
| 11/10/2025 | AAT 155 Retest Samples Ship |
| 12/02/2025 | AAT 155 Retest Results Due |
