Cancellation and Refund Policy Requests for cancellation refunds must be received in writing by mail, and postmarked by January 31, 2024. Refund request postmarked after that date will not be processed. No exceptions. A $50.00 processing fee applied to all requests for refunds. Cancellations will not be processed on-site. Address for cancellations/refund request: CARSplus - The Organization for Special Educators, 4010 Foothills Blvd #103-237, Roseville, CA 95747. This cancellation/refund policy applies to Convention Registration fees only. From time-to-time CARS+ may offer fee based tours. Those fees are non-refundable.