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ADP/CCH Resource Library
U.S. Master Tax Guide Online
All the great information found in the Guide available in an easy-to-use online format
Updated quarterly to include any tax changes throughout the year
State Tax Law Library Online
Access to all 51 state tax jurisdictions in an easy-to-use online format
Updated monthly to include any tax changes made throughout the year
State Tax Review Newsletter Online
A weekly publication that provides important state tax information and changes to state tax laws
You need a current U.S. Master Tax Guide provided by ADP to access this service. If you do not have the current U.S. Master Tax Guide, please contact your ADP representative or call 1-866-4ASK-ADP.