The Oregon Department of Revenue and the Corporate Activity Tax team have provided a list of important dates to be aware of, which are listed below. CAT forms are now available on the Revenue website.

February 1

Fourth quarter 2020 CAT estimated payments due. 

April 15

Last day to file CAT return without an extension or apply for an extension for filing a CAT return.

April 30

First quarter 2021 CAT estimated payments due.

August 2

Second quarter 2021 CAT estimated payments due.

October 15

Last day to file 2020 CAT return with an extension.

November 1

Third quarter 2021 CAT estimated payments due.

February 1, 2022

Fourth quarter 2021 CAT estimated payments due.

Relief options available to taxpayers negatively affected by the COVID-19 pandemic can be found on the agency’s tax relief options page. Information about tax relief available for those affected by wildfires is also available on the agency website. 

Taxpayers with questions about the CAT can email cat.help.dor@oregon.gov or call 503-945-8005.