Your membership card will be sent to you through the mail as soon as possible. If you have not received you membership card within three weeks please contact the membership department at 312.922.3432 x253 or email membership@architecture.org You will receive a confirmation email immediately after purchasing you CAF membership online. Please note the confirmation number in the e-mail, as it will serve as your proof of purchase. To book tours before your membership card is received, please call the members only reservation hotline at 312.922.3432 x230 and tell them your confirmation number.