Skip to Content Skip to Chat

Report an accessibility issue.

Connecticut executive branch state office buildings will be closed to the public on Monday, May 25. [READ THE UPDATE]

State of Connecticut

Arabic
Chinese (Simplified)
Chinese (Traditional)
English
French
German
Haitian Creole
Hindi
Italian
Korean
Pashto
Polish
Portuguese (Brazil)
Russian
Spanish
Filipino
Ukrainian
Vietnamese

Department of Revenue Services

Department of Revenue Services

Department of Revenue Services

☰ Department of Revenue Services Main Menu

× Close

⮐ Back

⮐ Back

Home
Nav Link 2
Nav Item 3

You are about to Logout

Are you sure you want to log out of your account? If you do want to logout, please click Logout.

Logout

CT.gov Home
drs-beta
Current: IP 99(30), Federal/State Electronic Tax Filing Handbook

Trending Now
For Businesses
For Individuals
Practitioners
Forms
Publications
Research Library

Search Department of Revenue Services

Search the current Agency with a Keyword

Filtered Topic Search

IP 99(30), Federal/State Electronic Tax Filing Handbook

IP 99(30)

Federal/State Electronic Tax Filing Handbook

Note: this publication is available only in .pdf format

Department of Revenue Services

About CT
Policies
Accessibility
Directories
Social Media
For State Employees

Mast: (Full)

Mast: (Full)

© 2026 CT.gov - Connecticut's Official State Website