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Form D-40EZ is no longer available for use for Tax Year 2019 and later. Taxpayers who used this form in the past must now use Form D-40.

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Federal and State E-File Program (Modernized e-File) Business

Beginning with Tax Year 2016, DC participates in the Modernized e-File program for Corporation (D-20 family), Unincorporated Business Franchise (D-30 family with an EIN only) tax returns and Partnership Return of Income (D-65).

The term "federal/state" means that the DC return is transmitted with the federal return to the IRS. Electronically filed returns provide a variety of advantages, including a shorter refund turnaround time and electronic acknowledgment of receipt of your return.

E-Filing Through a Paid Preparer

Many local tax preparation services participate in DC E-File. When you find a preparer to electronically file your DC return, remember that you must file your federal return electronically at the same time.

 

Authorized e-file tax software companies for TY2019 as of 1/15/2020

Please note that product limitations may impact your filing, check with your prospective provider to review limitations and supported forms/schedules before filing.

Business Income Tax

Company Name

Product Name

CCH Incorporated

CCH ProSystem fx

Thomson Reuters-CS Professional Suite

Ultra Tax CS

Drake Software

Drake Tax

Crosslink Professional Tax Solutions, LLC

Crosslink

TaxSlayer, LLC

TaxSlayer Pro BUS

Thomson Reuters - GOSYSTEM/ONESOURCE

GOSYSTEM/ONESOURCE COR

On-Line Taxes, Inc

OLTPro Desktop

On-Line Taxes, Inc

OLTProWeb

Tax Technologies, Inc.

Tax Series

Universal Tax System, Inc.

ATX

 

Fiduciary Income Tax

Company Name

Product Name

CCH Incorporated

CCH ProSystem fx

Thomson Reuters-CS Professional Suite

Ultra Tax CS

Crosslink Professional Tax Solutions, LLC

Crosslink

TaxSlayer, LLC

TaxSlayer Pro BUS

Thomson Reuters - GOSYSTEM/ONESOURCE

GOSYSTEM/ONESOURCE FIT

On-Line Taxes, Inc

OLTProWeb

On-Line Taxes, Inc

OLTPro Desktop