NOTICE: Taxpayers are strongly encouraged to visit the DRS website for answers to many questions. You may also email DRS at If contacting DRS by phone, please plan for wait times that may be longer than usual. See DRS FAQ's, which now include important information regarding Connecticut sales tax. Frequently Asked Questions


On Tuesday April 17, 2018 the IRS experienced problems with certain return and payment options. Because of this, IRS has extended due dates. Individuals and Businesses with a filing or payment due date of April 17 will now have until midnight on Wednesday, April 18. CT DRS will extend these same deadlines to Connecticut taxpayers.