Electronically filing Form W-2, (Wage) and Non-Wage Forms 1099-R, 1099-MISC, 1099-K and W-2G

Businesses are required to submit W-2s/1099s to Connecticut Dept. of Revenue by January 31.
Uploading W2s/1099s on myconneCT is the department’s preferred method for W-2/1099 submission myconneCT is free, secure, and available 24/7.

myconneCT is a safe and secure method of filing your data and provides filers with a unique confirmation number for each successfully submitted submission. myconneCT enables information return filers to use either a “key and send" or "upload" method to electronically file their Forms W-2, 1099-R, 1099-MISC, 1099-K, W-2G and associated annual reconciliations CT-W3 & CT-1096.

To begin filing your informational returns, login into myconneCT as a Standard login (Single Employer) or a Third Party Bulk Filer (TPBF) and select your filing options. New to myconneCT? Check out our tutorials.

If you don't have a Connecticut Tax Registration Number and need to file Form 1099-MISC, follow the instructions on this page for Unregistered Taxpayers.

W-2 & 1099 Filing Instructions as a Single Employer:

(Forms W-2, 1099-R, 1099-MISC, 1099-K, W-2G)

1. Sign into myconneCT and select the “View/File Returns and View Period Detail” hyperlink on the Withholding Summary panel.

Locate the W-2s/CT-W3 Annual Reconciliation of Withholding or 1099s/CT-1096 Annual Summary of Withholding hyperlink and continue your filing. 

2. As a Single employer, choose your submission method: Select the method below that best suits your business, regardless of the number of employees you have. You can save your application after each W-2/1099 and return later. If you choose to upload a file, you can submit as many times as needed to achieve an error free submission. 

• Key and Send (Manual Entry)
• Online Upload Standardized SSA EFW2 Format(including state RS record) and DRS Standardized 1220 FIRE Format.
• Pre-defined Comma Separated Value (csv).

File layouts, examples & solutions for eligible tax types:

W2s/1099s file formats

Form types	CSV layout	Example File Upload	Spreadsheet Solution	Standardized text files (EFW2 & 1220 FIRE)
W2s	file layout	example file	spreadsheet	2023 Form W-2 Record Specifications
W2-Gs	file layout	example file	n/a	2023 Form 1099-R, 1099-MISC, 1099-K, 1099-NEC, and W-2G Record Specifications
1099-R	file layout	example file	spreadsheet
1099-NEC	file layout	example file	spreadsheet
1099-K	n/a	n/a	n/a
1099-Misc	file layout	example file	spreadsheet

CT-W3/CT-1096 file formats

Form types	CSV layout	Example File Upload	Spreadsheet Solution	Standardized text files
CT-W3	file layout	example file	spreadsheet	n/a
CT-1096	file layout	example file	spreadsheet	n/a

Unregistered Taxpayers Filing Form(s) 1099-MISC

Important: If you have a Connecticut Tax Registration Number and need to file Form CT-1096 and the associated 1099-MISC forms, you are encourage to log into myconneCT to file your forms.  By doing so, you will have access to additional features, including save and exit, view previously filed returns and payments, and maintain your account capabilities.

Taxpayers that are not able to log into myconneCT and need to submit Form 1099-MISC/CT-1096 may do so on-line by using myconneCT.

Visit the myconneCT Welcome Page and select File 1099-MISC/CT-1096 hyperlink from the panel.

Choose how you would like to submit your 1099-Misc data.

• Key and Send (Manual Entry)

This option is best for employers that do not have the ability to generate IRS 1220 FIRE format file from their accounting package. 

• DRS Standardized IRS 1220 FIRE Format

For employers with an accounting package with payroll modules that can generate this file format.

Refer to IP 2022(15) for 1099s file layouts and formats

• Pre-defined Comma Separated Value (csv)

Submit a file upload using a pre-defined comma separated value (csv) file format.

File layout for 1099-MISC

Form types	CSV layout	Example File Upload	Spreadsheet Solution	Standardized text files (1220 FIRE)
1099-Misc	file layout	example file		Informational Publication

Third Party Bulk Filer (TPBF) Instructions to submit W-2 and 1099’s

Third Party Bulk Filers (TPBF) are tax preparers who prepare returns for multiple clients or multiple locations for the same client.  These preparers have registered with DRS and have been assigned the ability to file tax returns on behalf of other taxpayers.

myconneCT enables tax preparers and tax professionals to submit informational returns using either a “Key & Send" (manual entry) or "File Upload" method for Forms W-2, 1099-R, 1099-MISC, W-2G or 1099K and associated annual reconciliation(s) CT-W3 & CT-1096.

myconneCT is a safe and secure method of filing your data and provides filers with a unique confirmation number for each successfully submission.

You will need to log into (myconneCT-TPBF) to bulk file returns.

NOTE: Your client(s) must be registered with DRS for wage withholding to file Form(s) W-2, and they must be registered for non-wage withholding to file Form(s) 1099-R and W-2G. However, to file Form 1099-MISC there is an option available to submit these forms if a client is not registered by entering the client's FEIN in place of their Connecticut Tax Registration Number.

W-2/1099s Filing Instructions to Bulk Upload:

1. Sign into  myconneCT and select the “More…” tab. Select the “View Bulk Filer Menu” hyperlink from the “Bulk Filing” panel. Then select the “Single Client” upload or “Multi Client” upload hyperlink. New to myconneCT? Check out our tutorials.
2. As a bulk filer, choose your submission method: Select the method below that best suits your business, regardless of the number of employees you have. You can save your application after each W-2/1099 and return later. If you choose to upload a file, you can submit as many times as needed to achieve an error free submission.

• Key and Send (Manual Entry)

This option is best for employers that do not have the ability to generate the EFW2 or the IRS 1220 FIRE format file from their accounting package. 

• Online Upload Standardized SSA EFW2 Format (including state RS record) and DRS Standardized Format (EFW2/1220 FIRE)

For employers with an accounting package with payroll modules that can generate this file format.

Refer to IP 2022(16) for W2s file layouts and formats.

Refer to IP 2022(15) for 1099s file layouts and formats.

These publications contain filing instructions and specifications on how to prepare W-2s /1099s wage and non-wage data files in accordance with Social Security Administration’s (SSA) and the Internal Revenue Services (IRS). Payroll and tax reporting software developers must follow these file formats when submitting wage data files electronically to DRS.

• Pre-defined Comma Separated Value (csv).

Submit a file upload using a pre-defined comma separated value (csv) file format. Prepare an Excel spreadsheet with your client’s figures:

Each column should represent a line item from the return you are reporting.

Each row should represent a return.

Arrange the columns in the correct order and verify the layout matches the pre-defined Comma Separated Value before uploading the file through myconneCT.

Once uploaded, the file will be reviewed for errors in real time. If the file is accepted, you will receive a confirmation number for your records. If the file fails, you will receive a list of the failed records with an explanation. Simply correct the file and resubmit. There is no limit on the number of upload attempts.

File layouts for W2s/1099s

Form types	CSV layout	Example File Upload	Spreadsheet Solution	Standardized text files (EFW2 & 1220 FIRE)
W2-Gs	file layout	example file	coming soon	Informational Publication
1099-R	file layout	example file	coming soon
1099-K	n/a	n/a	n/a
1099-Misc	file layout	example file	coming soon
W2s	file layout	example file	coming soon

Important:

If you chose the Multi Client upload, once you have successfully submitted all your W-2s/1099s, you must return to the Bulk Filer panel and select the “Bulk CT-W3 Upload” or “Bulk CT-1096 Upload” hyperlink to complete the filing process.

 

File layouts for CT-W3/CT-1096

 

Form types	CSV layout	Example File Upload	Spreadsheet Solution	Standardized text files
CT-W3	file layout	example file	coming soon	n/a
CT-1096	file layout	example file	coming soon	n/a

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