Date Event
01/24/2024AAT 148 Results Post (available online no later than this date).
02/01/2024AAR Annual Invoices Available
02/07/2024AAT 148 Retest Orders Due
02/08/2024AAT 148 Retest Samples Ship
03/01/2024AAT 148 Retest Results Due
03/01/2024AAT 149 Final Enrollment Deadline​ for Analyst additions requiring additional​ AAT samples.​​​​
03/08/2024AAT 149 Samples Ship ~03/01/24; Contact us if your samples have not been received
03/15/2024AAT 148 Retest Results Post (available online no later than this date).
04/03/2024AAT 149 Final Enrollment Deadline​ for Analyst additions requiring no additional​ AAT samples.​​​​
04/11/2024AAT 149 Results Due
04/25/2024AAT 149 Results Post (available online no later than this date).
05/01/2024AAR Annual Fees Due
05/09/2024AAT 149 Retest Orders Due
05/31/2024AAT 149 Retest Results Due
06/03/2024AAT 150 Final Enrollment Deadline​ for Analyst additions requiring additional​ AAT samples.​​​​
06/07/2024AAT 150 Samples Ship ~06/03/24; Contact us if your samples have not been received
06/14/2024AAT 149 Retest Results Post (available online no later than this date).
07/03/2024AAT 150 Final Enrollment Deadline​ for Analyst additions requiring no additional​ AAT samples.​​​​
07/11/2024AAT 150 Results Due

2023 AAT Deadlines

2024 AAT Deadlines