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Corporation tax up-to-date information for 2009 (Articles 9, 9-A, 13, 32, and 33)

The following changes were not reflected on the forms for 2009 when they went to print.

Select a tax form from the following list to identify the changes affecting that form. If a form is not listed, there have been no changes affecting that form.

Various forms

  • Various forms
    Mailing addresses for many corporation tax forms have changed. The new addresses are on the 2015 forms. Follow this link to see the new mailing addresses for older year forms. (Corporation tax forms for tax years 2014 and before that were recently mailed to the older addresses have been forwarded.) 
  • CT-34-SH

    Important information for taxpayers who reported Build America Bond interest on their federal returns.

    For additional Information see TSB-M-10(4)I, Treatment of Interest Income from Build America Bonds.

Other information