HomeIn my years of experience I have written exams and pledged to adhere to the code of ethics from several organizations including:
OACETT
https://www.oacett.org/Membership/Managing-your-Membership/Code-of-Ethics
AHI
https://www.na-ahi.org/code-of-ethics.php
PHII
https://www.homeinspectioninstitute.com/index.php