Set up filing for Missouri
Provide your Missouri tax account information to set up automated filing.

Tax registration effective date
- The date your sales tax registration started with the state.
- Check your registration certificate or contact the Missouri Department of Revenue at 573-751-7200 to request this information.
MyTax Missouri username
- Enter the username you use to sign in to MyTax Missouri.
MyTax Missouri password
- Enter the password for your MyTax Missouri account.
Filing frequency
- This is your filing frequency, as assigned by the state or local tax authority.
- Check your registration certificate or log into your MyTax Missouri account and go to Online Transactions > File a Form. Your filing frequency is based on the returns available next to Filing Period.
What to expect next
After you complete your filing application, here's what happens next:
- Under review: Within a few days, TaxJar will review your submission for accuracy and process your application.
- IMPORTANT: Your TaxJar account is created using the email address associated with your Stripe account, so if the TaxJar team needs to contact you, this is the email address we use by default. (Follow these instructions if you want to change this email address within your TaxJar account).
- Filing setup complete: Once TaxJar processes your application, you'll get an email when it's time to review your first filing.
- File your first tax return: When your first filing period is due, you’ll receive an email to review the return before TaxJar submits it.