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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 TY2018 as of 3/8/19

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

Corporate Franchise Tax

Company Name Product Name Combined Reporting
Corptax Inc. Corptax Supported
Tax Technologies, Inc. Tax Series Supported
TaxSlayer, LLC TaxSlayer Pro Not Supported
Drake Software Drake TAX Not Supported
Thomson Reuters - CS professional suite Ultra Tax CS Supported
CCH Incorporated CCH ProSystem fx Supported
Thomson Reuters - GOSYSTEM/ONESOURCE GOSYSTEM/ONESOURCE Supported
Universal Tax Systems, Inc ATX Not Supported
On-Line Taxes, Inc OLTPRO Desktop Not Supported
On-Line Taxes, Inc OLTPRO Web Not Supported

Unicorporated Business Franchise Tax

Company Name Product Name Combined Reporting
Corptax Inc. Corptax Not Supported
Tax Technologies, Inc. Tax Series Supported
TaxSlayer, LLC TaxSlayer Pro Not Supported
Drake Software Drake TAX Supported
Thomson Reuters - CS professional Suite Ultra Tax CS Not Supported
CCH Incorporated CCH ProSystem fx Not Supported
Thomson Reuters - GOSYSTEM/ONESOURCE GoSystem/ONESOURCE Not Supported
Universal Tax Systems, Inc ATX Not Supported
On-Line Taxes, Inc OLTPRO Desktop Not Supported
On-Line Taxes, Inc OLTPRO Web Not Supported

Partnership Return of Income

Company Name Product Name
Corptax Inc. Corptax
Tax Technologies, Inc. Tax Series
TaxSlayer, LLC TaxSlayer Pro
Drake Software Drake TAX
Thomson Reuters - CS professional Suite Ultra Tax CS
CCH Incorporated CCH ProSystem fx
Advanced Tax Solutions MyTaxPrepOffice.com
Thomson Reuters - GOSYSTEM/ONESOURCE GoSystem/ONESOURCE
Universal Tax Systems, Inc ATX
On-Line Taxes, Inc OLTPRO Desktop
On-Line Taxes, Inc OLTPRO Web

Fiduciary Income Tax

Company Name Product Name
TaxSlayer, LLC TaxSlayer Pro
Drake Software Drake TAX
Thomson Reuters - CS professional Suite Ultra Tax CS
CCH Incorporated CCH ProSystem fx
Thomson Reuters - GOSYSTEM/ONESOURCE GoSystem/ONESOURCE
On-Line Taxes, Inc OLTPRO Desktop
On-Line Taxes, Inc OLTPRO Web
Thomson Reuters ONESOURCE Trust TAX