Last Updated: May 30, 2017 04:26PM PDT

An Invitation Code is a code that is provided to Students, Residents, Fellows-in-Training, and Attendees from Developing Countries who have submitted their proof of status. Once you are logged into the ACR/ARHP registration website, select “Register Now” to get started. Enter your code in the field titled “Invitation Code” on the bottom of the attendee information page. Proceed through the registration pages, and the applicable discounted fees will display.