Mississippi Estimated Taxes

Mississippi Quarterly Estimated Taxes – Tax Year 2009

Mississippi requires that you complete and submit Mississippi Form 80-300 (PDF) to make any necessary estimated tax payments.

Every individual taxpayer who does not have at least eighty percent (80%) of his/her annual tax liability prepaid through withholding must make estimated tax payments if his/her annual tax liability exceeds two hundred dollars ($200). Estimated tax payments must not be less than 80% of the annual income tax liability. Any taxpayer who fails to file the estimated tax return and pay the tax within the time prescribed or underestimates the required amount shall be liable for interest of one percent (1%) per month on underpayment of tax from the date payment is due until paid.

For more information, please refer to Form 80-300 (PDF) or visit the Mississippi State Tax Commission website.


Print and mail:
Mississippi Estimated Tax Form 80-300 (PDF)

Electronic Federal Tax Payment System Provider

Easy Estimated Taxes provides a simple and secure online solution for individuals seeking to make estimated tax payments electronically to the IRS.
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