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Go Back To: \| Home Featured Resource ADP Research Institute The ADP Research Institute combines ADP’s worldwide expertise in the workplace with a deep, fundamental approach to identifying and analyzing the trends that shape the working world. Visit ADP Research Institute View Insights you can use from the global leader in payroll, benefits and HR. View Research & Trends that drive decisions for your business. More Tools & Resources ADP Calculators and Tools Calculators and tools to help you with payroll, compliance and retirement planning. Learn More Compliance Connection Tools to help you monitor and access information for payroll compliance. Learn More Legislative Updates Recent highlights related to issues surrounding regulatory compliance updates set forth by various government agencies. Learn More Economic Stimulus Plan View the latest ADP updates on the American Recovery and Reinvestment Act of 2009. Learn More Health Care Reform The latest ADP updates on Health Care Reform. Learn More E-File Tax Mandates Important updates on new IRS and State regulations requiring employers to file taxes electronically in 2011. Learn More Industry / Vertical Markets Product and service information by industry. Learn More Reference Materials / Demos Reference guides, product brochures, datasheets, and precorded product demonstrations. Learn More Case Studies & White Papers Research, client best practices and industry trends on payroll, human resources, benefits and more. Learn More Events Events and Webinars ADP is hosting or attending. Learn More Newsletters ADP’s monthly and / or quarterly publications. Learn More Testimonials Clients and industry analysts discuss their experience with ADP's products and services. Learn More Training Overview Upcoming ADP product training. Learn More About the Enhanced ADP National Employment Report Learn More Contact Us: Current Clients Sales ADP Clients' Employees › Call 800 225 5237 Legislative Updates Tax Changes Affecting 2013 Payrolls – What You Need to Know › Featured Download ADP ROI Guidebook Save 40 minutes per manager per week on time and attendance. Download now. ›