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Connecticut PACT Act for Sellers of ENDS into Connecticut: Report Upload
Ruling 91-21, Sales and Use Taxes / Telecommunications Service
Ruling 2000-6, Utility Company Gross Earnings Tax / Gross Earnings from Operations
Corporation Business Tax - FAQs
Frequently Asked Questions
Form 1099-R, 1099-MISC, 1099-K, 1099-NEC, and W-2G Electronic Filing Requirements