Sales and Use Tax Form OS-114
Fill out your Connecticut sales and use tax return.
Revenue
Page 2 of 2
-
A mill rate is the rate that's used to calculate your property tax. To calculate the property tax, multiply the assessment of the property by the mill rate and divide by 1,000. There are different mill rates for different towns and cities.
Agency: Office of Policy and Management -
The Collections department is made up of the Billing Unit, Recovery Unit, Delinquent Accounts Unit, and the Connecticut State Tax Intercept Program.
-
Unemployment Insurance Tax Information
Connecticut employers can file unemployment taxes, get necessary forms, and understand benefit payment procedures here.
Agency: Department of Labor -
IT Capital Investment Program - Project Status Reports
Each agency receiving funds through the Information Technology Capital Investment Program must report semi-annually to the Information Technology Strategy and Investment Committee and OPM, IT Policy Director. The reports on this page are separated by those projects already completed (closed out) and projects still underway (Active).
Agency: Office of Policy and Management -
2024 - 2023 Monthly Comparative Statements
Agency: Department of Revenue Services -
2025 - 2024 Monthly Comparative Statements
Agency: Department of Revenue Services -
2023 - 2022 Monthly Comparative Statements
Agency: Department of Revenue Services
Filing for an Extension of Time to File
Use Form CT-1040 EXT to request a six-month extension to file your Connecticut income tax return for individuals.
Managing Business Registration Information
Manage your registration and information for your business.