APA's premier educational event, the 28th Annual Congress,  is being held at the Gaylord National Resort on the Potomac, MD, May 25-29, 2010, and features more than 170 workshops covering a wide spectrum of payroll, accounts payable, international, human resources, benefits, technology, management, and career development topics, and the largest payroll and AP Expo ever! Network with your colleagues, and hear the latest legislative and regulatory changes from government representatives and industry experts.