NOTICE: Taxpayers are strongly encouraged to visit the DRS website for answers to many questions. You may also email DRS at drs@po.state.ct.us. If contacting DRS by phone, please plan for wait times that may be longer than usual. Frequently Asked Questions

Topical Indexes

The Department of Revenue Services publishes four topical indexes of rulings and administrative pronouncements (by tax type) and a numerical index to rulings and administrative pronouncements.  These indexes are updated four times a year.