Discounted registration fees are offered until the Early Bird deadline on January 15, 2018. Online and fax registrations must be paid by credit card (MasterCard, Visa, Discover or American Express). Registrations sent by mail must be accompanied with credit card information or check for payment. Check must be drawn on a U.S. bank, in U.S. funds and made payable to SPSP 2018. Purchase orders will not be accepted. Hard copy registration forms will be available in August for attendees who wish to pay via check.