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 will be 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. 

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.  To view the Privacy Act Statement related to information shared with, please click here.  

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 can be found here.  For technical issues related to, click here.

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