If I have to cancel my ATD 2021 conference registration after it has been transferred, what is the policy? Natasha Porter Updated April 27, 2020 14:20 Follow More information about the refund policy or participant substitutions may be found here. Related articles If I transferred from ATD 2020 to ATD 2021 and cannot attend the new dates, how do I change my registration? If I am transferring to ATD 2021, how will I receive confirmation of my registration? When can I learn more information about ATD 2021? Conference Cancellation Policy Who can I talk to if I don’t see my question here?