If you find that you have to cancel, your full registration fee will be refunded if TAPPI's Registration Department receives written notification (fax acceptable at +1.770.209.7206) by April 21, 2013. Please note, there will be a 50% refund for all written cancellations made before May 14, 2013,. Understandably, after May 14, 2013, no refunds can be issued. Substitutions, however, will be accepted any time without a penalty.