With the March 26, 2015 Accounting CS release, Form 940, 941, and 944 e-filing now uses the Modernized e-File (MeF) format. In addition, Forms 943 and 945 are now available to e-file via the Modernized e-File (MeF) format.
The Thomson Reuters CS Professional Suite was the first vendor to be listed on the 2015 MeF 94x IRS.gov Provider Page at http://www.irs.gov/Tax-Professionals/e-File-Providers-&-Partners/Tax-Year-2015-94x-MeF-Providers
Step-by-step instructions for e-filing 94x forms are available in our Help & How-To Center, at http://cs.thomsonreuters.com/ua/acct_pr/acs/cs_us_en/pr/tax_processing/tp_proc/efiling_94x_overview.htm
To check the availability and status of federal, state, and local forms for each state, visit our Accounting CS Payroll Compliance page at https://cs.thomsonreuters.com/accountingcs-payroll/compliance.aspx