Connecticut State Department of Revenue Services

Walk-in services at all DRS branch office locations remain suspended. Email DRS at drs@po.state.ct.us. Email the Priority One Taxpayer Assistance Program: DRSPriorityOne_CollectionsAssist@po.state.ct.us. Please check our Frequently Asked Questions page.

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.