| Date | Event |
| 9/1/21 | AAT 139 Enrollment Deadline for additions that require additional AAT samples (Initial Organization or Analyst Applications) |
| 9/8/21 | AAT 139 Samples Ship ~9/1/21; Contact us if your samples have not been received. |
| 9/10/21 | AAT 138 Retest Results Post |
| 10/1/21 | AAT 138 Final Enrollment Deadline for Analyst additions requiring no additional AAT samples. |
| 10/12/21 | AAT 139 Results Due |
| 10/26/21 | AAT 139 Results Post |
| 11/9/21 | AAT 139 Retest Order Forms Due |
| 11/10/21 | AAT 139 Retest Samples Ship |
| 12/1/21 | AAT 139 Retest Results Due |
| 12/1/21 | AAT 140 Enrollment Deadline for additions that require additional AAT samples (Initial Organization or Analyst Applications) |
| 12/8/21 | AAT 140 Samples Ship ~12/1/21; Contact us if your samples have not been received. |
| 12/15/21 | AAT 139 Retest Results Post |
| 12/31/21 | AAT 140 Final Enrollment Deadline for Analyst additions requiring no additional AAT samples. |
| 1/10/22 | AAT 140 Results Due |
| 1/24/22 | AAT 140 Results Post |
| 2/7/22 | AAT 140 Retest Order Forms Due |
| 2/8/22 | AAT 140 Retest Samples Ship |
| 3/1/22 | AAT 140 Retest Results Due |
| 3/15/22 | AAT 140 Retest Results Post |
