Conference cancellations received in writing before March 1, 2010, will be charged a $50.00 service fee. Cancellations received between March 1 and March 12, will incur a 50% service charge. Cancellations after March 12, or registrants who do not attend, are liable for the full registration fee. Substitutions may be made at any time, but you must contact us at to advise us of changes