State of Michigan’s New Website for Businesses is Coming

CPAs & Advisors

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On October 30, 2017, the State of Michigan will launch a new website for businesses to file, pay, and request documentation regarding their annual filing with the Corporations Division. The new website will be the Corporations Online Filing System (COFS) at

(this link will be active beginning October 30). The Michigan-ELF website that many taxpayers used in the past to electronically submit their annual report will be discontinued on October 26 at 5:00 p.m.  

What changes should you watch for? On October 16, the State of Michigan mailed a notice to all active businesses, announcing the new website and access information. Included in the notice:

  • New Entity ID – The entity ID is your identification number with the State of Michigan Department of Licensing and Regulatory Affairs only; this does not change or impact your federal EIN.
  • Customer ID (CID) and PIN – Similar to a user login and password, these will be the credentials used to connect to the online filing system and enable a user to submit documents on behalf of the business.

At this time there is no requirement for you to file and pay online. The State will continue to accept annual filings by mail, in person, or online through COFS.

Please click here to review frequently asked questions regarding this change.

If you have questions, please contact a member of Yeo & Yeo’s Tax Services Group or your local Yeo & Yeo office.

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