This offer is for the professional membership option and cannot be applied to current membership orders or combined with other offers. Offer cannot be redeemed for cash or applied to any other purchase. This offer does not apply to specialty rates or student, global, retiree or other memberships. It may take up to three hours for your member ID to be activated online. Offer expires 8/23/19. Our Customer Care Center is available to help at 800.283.7476 (U.S. only), option 3, or +1.703.548.3440 (International), option 3, Monday through Friday between 8 a.m. and 8 p.m. ET.