Sales and Use Tax Returns

Filers of Form OS-114BUT must now use Form OS-114

File electronically on myconneCT

Name
Description
Revised Date Due Date
OS-114 Sales and Use Tax Return 02/2022  Varies
O-88 Instructions for OS-114 07/2022 N/A

Tax Chart

Name
Description
Revised Date
Due Date
OR-149  Sales and Use Tax Rate Chart  11/2019 N/A

Other Sales Tax Forms