| Date | Event |
| 01/10/2025 | AAT 152 Results Due |
| 01/24/2025 | AAT 152 Results Post (available online no later than this date). |
| 01/30/2025 | AAR Annual Invoices sent |
02/06/2025 | AAT 152 Retest Orders Due |
| 02/09/2025 | AAT 152 Retest Samples Ship |
| 03/03/2025 | AAT 152 Retest Results Due |
| 03/04/2025 | AAT 153 Final Enrollment Deadline for Analyst additions requiring additional AAT samples. |
| 03/10/2025 | AAT 153 Samples Ship ~3/1; Contact us if your samples have not been received. |
| 03/14/2025 | AAT 152 Retest Results Post (available online no later than this date). |
| 04/03/2025 | AAT 153 Final Enrollment Deadline for Analyst additions requiring no additional AAT samples. |
| 04/11/2025 | AAT 153 Results Due |
| 04/25/2025 | AAT 153 Results Post (available online no later than this date). |
| 05/01/2025 | AAR Annual Invoice Payments Due |
