If you are having an issues with your registration please refer to the following:
1) Clear browser cache and try again after confirming that you have entered the correct contact and payment information. If unsuccessful, try again using an alternate browser.
2) Contact the bank to make sure that your payment card is not blocked, ask specifically about payments to AAPT.
3) If available, try a different credit card.
4) Contact the AAPT Programs viaÂ
[email protected]Â staff about making a manual payment or using another form of payment.