CAT Moving to OH|TAX

Ohio Department of Taxation sent this bulletin at 10/09/2026 09:30 AM EDT

Get Ready for OH|TAX!

The Commercial Activity Tax (CAT) will soon be available in the OH|TAX eServices platform, launching in just two months.

The final CAT return to be filed in the Ohio Business Gateway (OBG) will be the third quarter of 2026, due on November 10, 2026. CAT filings will no longer be available through OBG beginning November 23, 2026.

All CAT accounts will move to OH|TAX on December 7, 2026.

OH|TAX eServices provides a streamlined way to file returns, make payments, review refund status, and manage tax accounts right from one secure location.

What’s new? 

Instant registration for new and reopening accounts

Credit schedules can be filled out on the electronic return

Excel sheet uploads are available for updating corporate structures

Returns completed in minutes!

Filing with OH|TAX eServices is fast and secure.

Check it out today!

📣What people are saying about OH|TAX:

"Best/easiest interface to use for sales tax!"

"I love this site. It's so easy to do!"

"So much quicker and easier than the old way!"

"Seemed too simple - but I love it!"

What can you do now to prepare?

Establish an OHID using this OHID link if you do not have one already:

Each filer should have their own OHID login.
If you already have an OHID, use the same login.
If you already have access to the account in OBG, no action is necessary. Existing access will be transferred automatically.
To get started, visit: OHID | Ohio's State Digital Identity Standard

Set up Multi Factor Authentication (MFA):

Provider Network Management (PNM) and OH|ID (ohio.gov)

Vision: To create a seamless and user-centric experience for all Ohio Taxpayers.

Mission: One team providing education, innovation, outreach, and exceptional service to our customers.

Core Values: Collaborate and Innovate; Listen Before Talking and Say Yes Before No; Do the Right Thing the Right Way; Bring A Solution; Embrace Diversity and Inclusion; If it’s Worth Doing, It’s Worth Doing NOW

Update your subscriptions, modify your password or email address, or stop subscriptions at any time on your Subscriber Preferences Page. You will need to use your email address to log in. If you have questions or problems with the subscription service, please visit subscriberhelp.govdelivery.com.

This service is provided to you at no charge by Ohio Department of Taxation.