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Register, file tax returns, make payments and view filing history.
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Ruling 97-2, Corporation Business Taxes / Operating Loss Carry-Overs
Ruling 97-3, Corporation Business Tax / Operating Loss Carry-Overs
Ruling 96-9, Corporation Business Tax / Specially Chartered Associations as Political Subdivisions
Ruling 95-2, Sales and Use Taxes / Computer and Data Processing Services
Effective Immediately DRS Extends Filing Deadline for Certain Annual State Business Tax Returns
DRS Reminds Connecticut Employers of Withholding Tax Return Due Date
Bulletin #3, Automatic Data Processing Services and Equipment
Bulletin #18, Capital Gains, Dividends and Interest Income Tax
Bulletin #22, Real Estate Conveyance Tax (Social Security Numbers)
Frequently asked questions on Preparer process