Online Payment You or your administrator can now easily make an online credit card payment for your Conference registration without signing into your registration account. Please have your invoice available in order to access the information needed. Simply enter the Unique Payment Code that is displayed on your registration invoice and the first and last name of any one attendee/ group member(s) into the boxes below. You can then access your payment details and make an online credit card payment. Required field Please enter the first name of any group member. The name entered must match exactly with what is displayed on the registration invoice. Please enter the last name of the same group member named above. The name entered must match exactly with what is displayed on the registration invoice. This 6-digit code that is displayed on the registration invoice in the upper right corner.