CFIUS Case Management System

The CFIUS Case Management System (“CMS”) is a secure Web portal hosted by the Department of the Treasury through which parties and counsel/representatives are required to submit declarations and file notices pursuant to 31 C.F.R. part 800 and 31 C.F.R. part 802, and any other transaction-related information, to CFIUS. Please note that parties may not simply defer all responses to attachments when submitting a declaration or filing a notice through the CMS. Treasury may reject a declaration and request the refiling of a notice that only reference attachments.

Beginning June 1, 2020, the CMS portal must be used to file any draft or formal written notice or submit any declaration pursuant to 31 C.F.R. parts 800 or 802.


Register for an Account
To use the CMS portal, users must first create an account., a contractor of the Department of the Treasury, is an online identity network that provides secure identity verification services and enables users to prove their legal identity and attributes of their identity. View the Privacy Act Statement related to information shared with

To register for an account:

  • Go to the CMS portal and click ‘Sign In’; this will lead to the login page.
  • On the login page, click the ‘sign up for an account’ link and follow the steps to register for an account.

More detailed instructions on registering for an account. For technical issues related to, view Frequently Asked Questions.

Sign into the CMS Portal

Once an account has been created, return to the CMS portal and click ‘Sign In’. Then, click ‘’ on the Treasury Enterprise Federation Service page. Finally, click ‘Sign In’ on the login page with the email address and password that you used to register for


Instructions on using the CMS portal can be found in the manual below:

Screenshots of cms forms


A list of Frequently Asked Questions regarding the CMS portal can be found below:

Questions on the CFIUS process as it relates to the CMS portal or feedback regarding the CMS portal can be directed to Technical support questions regarding the CMS portal can be directed to