Corporation tax

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Corporation tax

Start and end a business

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Forms and instructions

New for January 2009 - e-file and e-payment is required for certain filers Forms and instructions (current year) - corporation tax Forms and instructions (prior years) - corporation tax LLC/LLP/Partnership forms (current year)
Publications

Publications - corporation tax Advisory Opinions (TSB-A) Guidances (NYT-G) Memos (TSB-M)
Online services

Penalty and interest calculator NAICS Code Lookup Corporation Tax Issuer's Allocation Percentages (IAP) View and pay a bill through the Online Tax Center Sign up for the Tax Department’s subscription service Business Answer Center
Other information

Empire Zones Program information Tax calendar Outreach events Corporation tax statistical reports

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Last Modified: June 25, 2008