For general questions, email:
For questions regarding test paperwork, certificates, renewals, etc., email:
American Temperament Test Society, Inc.
P.O. Box 58067
Houston, TX 77258
For clubs wanting to schedule/host an ATTS test:
For Apprentice Testers, Testers or Chief Testers who have not received a renewal letter or a membership card:
Please contact Peg Phillips at email@example.com or call 419-348-1765.