If you are unable to attend the Conference another individual may come in your place at no extra charge provided s/he brings a copy of your email registration confirmation or mailed registration materials along with a note of approval for the substitution, signed and dated by you. Substitute attendees must check in at Registration upon arrival.

A registration is intended for an individual attendee. Attendees may not share a multi-day registration with other attendees. Attendees who violate this rule will forfeit their registration privileges and will not receive a refund.