| Date | Event |
| 12/02/2025 | AAT 155 Retest Results Due |
| 12/03/2025 | AAT 156 Final Enrollment Deadline for Analyst additions requiring additional AAT samples. |
| 12/10/2025 | AAT 156 Samples Ship ~12/3; Contact us if your samples have not been received. |
| 12/16/2025 | AAT 155 Retest Results Post (available online no later than this date.) |
| 12/19/2025 | AAT 156 Final Enrollment Deadline for Analyst additions requiring no additional AAT samples. |
01/09/2026 | AAT 156 Results Due |
| 01/23/2026 | AAT 156 Results Post (available online no later than this date.) |
| 02/02/2026 | AAR Annual Fees Invoices Available! |
| 02/06/2026 | AAT 156 Retest Orders Due |
| 02/10/2026 | AAT 156 Retest Samples Ship |
| 03/03/2026 | AAT 156 Retest Results Due |
| 03/14/2026 | AAT 156 Retest Results Post (available online no later than this date.) |
| 04/01/2026 | AAT 157 Final Enrollment Deadline for Analyst additions requiring no additional AAT samples. |
| 04/10/2026 | AAT 157 Results Due |
| 04/24/2026 | AAT 157 Results Post (available online no later than this date). |
| 05/01/2026 | AAR Annual Fees Due! |
| 05/08/2026 | AAT 157 Retest Orders Due |
| 05/11/2026 | AAT 157 Retest Samples Ship |
| 06/01/2026 | AAT 157 Retest Results Due |
| 06/02/2026 | AAT 158 Final Enrollment Deadline for Analyst additions requiring additional AAT samples. |
