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e-Commerce Letters

e-Commerce is the paperless exchange of business information using electronic data exchange. These letters contain information regarding the states that require electronic file (e-file) reporting, and tasks clients must complete in order for ADP to successfully report taxes on their behalf.  


Alabama - SIT
Alabama - SUI
Alaska - SUI
Arkansas - SUI
California - SIT/SUI
Colorado - SIT W2
Colorado - SUI
Connecticut - SIT
Connecticut - SUI
Delaware - SIT
District of Columnbia - SIT/W2
Florida - SUI
Georgia- SIT
Hawaii - SUI
Idaho - SIT
Illinois - SIT
Illinois - SUI
Indiana - SIT
Iowa - SIT
Iowa - SUI
Kansas - SUI
Kentucky - SUI
Maine - SIT/SUI
Massachusetts - SIT
Massachusetts - SUI
Michigan - SUI
Minnesota - SIT
Minnesota - SUI
Mississippi - SIT
Montana - SIT
Nebraska - SUI
New Jersey - SIT/SUI
New Mexico - SIT
New Mexico - SUI
New York- SIT
Ohio - SUI
Oklahoma - SUI
Oregon - SIT/W2
Pennsylvania - SIT
Pennsylvania - SUI
South Carolina - SIT
Utah - SIT
Utah - SUI
Vermont - SUI
Virginia - SIT
Wisconsin - SIT
Wisconsin - SUI