Connecticut Tax Forms

Connecticut Tax Forms

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Connecticut Tax Forms

 

Individual Income Tax Forms 

 

Form CT-1040 Connecticut Resident Income Tax Return

 

Form CT-1040NR/PY Connecticut Nonresident and Part-Year Resident Income Tax Return

 

Form CT-1040X Amended Connecticut Income Tax Return for Individuals 

 

Form OP-186 Connecticut Individual Use Tax Return 

 

 

Corporate Income Tax Forms

 

Form CT-1120 Corporation Business Tax Return 

 

Form CT-1120X Amended Corporation Business Tax Return

 

 

Sales Tax Forms

 

Form OP-186 Individual Use Tax Return

 

Form OS-114 Business Sales and Use Tax Return

 

Form OS-114 Sales and Use Tax Return

 

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