Welcome to the IRS/SSA/CMS Data Match Web site
Data Match Messages
Browser Encryption Protocols Update
To meet new security standards, effective 01/16/2017, your internet browser must be using Transport Layer Security (TLS) 1.1 or 1.2 encryption protocols in order to properly access this application. Please contact your local information technology (IT) personnel to ensure your browser is compatible with TLS 1.1 or 1.2 and has it enabled.
Please Note: If you are using the latest versions of all major browsers (including: Internet Explorer version 11, Mozilla Firefox version 27 and Google Chrome version 30 or higher) TLS 1.1 and 1.2 are supported and enabled by default. Users with these browser versions should not be impacted by this change.
***Attention*** Upon logging into the Data Match Secure Website, if you do not see your EIN populated within the EIN Listing screen, please click on the Home link at the upper left hand corner of your screen. The data for your EIN should then display appropriately.
This site provides employers with an efficient process for
responding to the Internal Revenue Service (IRS)/Social Security
Administration (SSA)/Centers for Medicare & Medicaid Services
(CMS) Data Match.
secure Web site provides Employers, regardless of size, with
information about the Data Match process, and the ability to
respond to the Data Match Questionnaire via online screens, or
upload and download Employer files created for the Electronic
Media Questionnaire (EMQ) response method.
In order to submit your IRS/SSA/CMS Data Match response through
one of these available electronic submission options, you
must assign an Account Manager to register for this service. The
Account Manager must be an individual authorized to access the
Secure Web site, provide responses to the questionnaire, and
authorize Designees, who will have the authority to respond to
questionnaires using one of the following electronic options: