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Business Tax Filing Reminders

NEW! Now you can sign up for filing reminders. If you have a sales tax account, visit the Sales Tax Filing Reminders page to sign up. 

Email Alerts

Sign up for our free email subscription service to receive alerts when new tax information is available. Email alerts are a free service provided by CDOR. Your email address will only be used to deliver the information you have requested.

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Sign Up by Tax Type or Topic

To sign up by tax type or topic, please select one from the list below and follow the sign up prompts. Return to this page to sign-up for more than one list.


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In order to ensure that you receive your subscription emails, please add us to your contact list, adjust your spam settings, mark the first email you receive as "Important," or follow the instructions from your email provider on how to prevent our emails from being marked "Spam" or "Promotions" email box. Your email address will only be used to deliver requested or related information or to give you access to your profile of subscriptions. You will receive an email notification from us when changes occur.