Commercial Activity Tax (CAT) Filing Deadline Reminder

Ohio Department of Taxation sent this bulletin at 07/10/2026 08:00 AM EDT

Commercial Activity Tax (CAT) Filing Deadline Reminder

This message is a friendly reminder to all Commercial Activity Tax (CAT) practitioners and taxpayers that the second quarter 2026 CAT return is due August 10, 2026.

Taxpayers are required to file and pay the CAT electronically via the Ohio Business Gateway at gateway.ohio.gov.

If you anticipate having $6 million or less in taxable gross receipts in tax year 2026, we recommend that you cancel your CAT account.

You may do so by visiting the Gateway at gateway.ohio.gov and selecting the CAT Cancel Account transaction.

When canceling your account, please enter an effective date of June 30, 2026.

Contact Information

Address: Ohio Department of Taxation Business Tax Division P.O. Box 16158 Columbus, Ohio 43216-6158
Phone: 888-722-8829
Fax: 206-666-4462
Website: tax.ohio.gov

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