2021 Tax Calendar
| Due Date | Description |
|---|---|
| 01/04/2021 | Monthly Motor Fuel Suppliers Report |
| 01/06/2021 | Final December 2020 Quarter-Monthly Withholding and Sales Tax Payment |
| 01/12/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 01/15/2021 | Monthly Other Tobacco Products Report |
| Monthly Cigarette Tax Credit Account Payment and Report | |
| Form MO-1040ES Due (Individual) | |
| 01/20/2021 | Monthly Cigarette Tax Cash Account Report |
| 01/21/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 01/27/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 02/01/2021 | 2020 Annual, Monthly, and Quarterly Withholding, Sales and Use, Tire and Battery Fee Return |
| Monthly Motor Fuel Distributor Report | |
| Monthly Medical Marijuana 4% Tax Return | |
| 2020 Electronically Required Form MO W-3 | |
| 02/02/2021 | Monthly Motor Fuel Suppliers Report |
| 02/03/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 02/10/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 02/16/2021 | Monthly Cigarette Tax Credit Account Payment and Report |
| Monthly Other Tobacco Products Report | |
| Monthly Withholding Tax Return | |
| 02/18/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 02/22/2021 | Monthly Cigarette Tax Cash Account Report |
| Monthly Sales and Use Tax Return | |
| Monthly Tire and Battery Fee Return | |
| Monthly Medical Marijuana 4% Tax Return | |
| 02/25/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 03/01/2021 | 2020 Paper Required Form MO-W3 |
| Form MO-1040 For Farmers to Achieve Underpayment Exempt Status | |
| Quarterly Insurance Tax Payments | |
| 03/03/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 03/10/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 03/15/2021 | Calendar Year Cooperatives (Form MO-1120) with an Automatic Extension |
| Monthly Cigarette Tax Credit Account Payment and Report | |
| Monthly Withholding Tax Return | |
| Monthly Other Tobacco Products Report | |
| 03/18/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 03/22/2021 | Monthly Cigarette Tax Cash Account Report |
| Monthly Sales and Use Tax Return | |
| Monthly Tire and Battery Fee Return | |
| Monthly Medical Marijuana 4% Tax Return | |
| 03/25/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 03/31/2021 | Monthly Motor Fuel Distributor Report |
| 04/02/2021 | Monthly Motor Fuel Suppliers Report |
| 04/05/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 04/12/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 04/15/2021 | Monthly Cigarette Tax Credit Account Payment and Report |
| Monthly Other Tobacco Products Report | |
| Annual Business and Individual Consumer's Use Tax Return | |
| Form MO-1120ES | |
| Form MO-1040ES | |
| Financial Institution Tax Return | |
| Resident MO-ATC, MO-CFC, and MO-FPT Claims | |
| Annual Surplus Lines Insurance Tax Payment | |
| Calendar Year Forms: | |
| MO-PTC | |
| MO-1041 | |
| MO-1065 | |
| MO-1120 | |
| MO-1120S | |
| MO-60 | |
| MO-7004 | |
| 04/20/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| Monthly Cigarette Tax Cash Account Report | |
| 04/27/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 04/30/2021 | Annual Captive Insurance Tax Payment |
| Monthly Motor Fuel Distributor Report | |
| Monthly and Quarterly Withholding, Sales and Use, and Tire and Battery Fee | |
| Monthly Medical Marijuana 4% Tax Return | |
| 05/03/2021 | Monthly Motor Fuel Suppliers Report |
| 05/05/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 05/12/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 05/17/2021 | Calendar Year Forms: The due date for the 2020 Missouri individual income tax returns is extended from April 15, 2021 to May 17, 2021. Learn more about the extension. |
| MO-1040 |
|
| MO-1040A | |
| MO-1040P | |
| MO-1040V | |
| Monthly Cigarette Tax Credit Account Payment and Report | |
| Forms MO-1120 and MO-7004 for those filing Federal Form 990-T | |
| Monthly Withholding Tax Return | |
| Monthly Other Tobacco Products Report | |
| 05/19/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 05/20/2021 | Monthly Cigarette Tax Cash Account Report |
| Monthly Sales and Use Tax Return | |
| Monthly Tire and Battery Fee Return | |
| Monthly Medical Marijuana 4% Tax Return | |
| 05/26/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 06/01/2021 | Monthly Motor Fuel Distributor Report |
| Quarterly Insurance Tax Payment | |
| 06/02/2021 | Monthly Motor Fuel Suppliers Report |
| 06/03/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 06/10/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 06/15/2021 | Monthly Cigarette Tax Credit Account Payment and Report |
| Form MO-1040ES | |
| Form MO-1120ES | |
| Monthly Withholding Tax Return | |
| Monthly Other Tobacco Products Report | |
| 06/18/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 06/21/2021 | Monthly Cigarette Tax Cash Account Report |
| Monthly Sales and Use Tax Return | |
| Monthly Tire and Battery Fee Return | |
| Monthly Medical Marijuana 4% Tax Return | |
| 06/25/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 06/30/2021 | Monthly Motor Fuel Distributor Report |
| 07/02/2021 | Monthly Motor Fuel Suppliers Report |
| 07/06/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 07/12/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 07/15/2021 | Monthly Cigarette Tax Credit Account Payment and Report |
| Monthly Other Tobacco Products Report | |
| 07/20/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| Monthly Cigarette Tax Cash Account Report | |
| 07/27/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 08/02/2021 | Monthly Motor Fuel Distributor Report |
| Monthly and Quarterly Withholding, Sales and Use, and Tire and Battery Fee Return | |
| Monthly Medical Marijuana 4% Tax Return | |
| Monthly Motor Fuel Suppliers Report | |
| 08/04/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 08/11/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 08/16/2021 | Monthly Cigarette Tax Credit Account Payment and Report |
| Monthly Withholding Tax Return | |
| Monthly Other Tobacco Products Report | |
| 08/18/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 08/20/2021 | Monthly Cigarette Tax Cash Account Report |
| Monthly Sales and Use Tax Return | |
| Monthly Tire and Battery Fee Return | |
| Monthly Medical Marijuana 4% Tax Return | |
| 08/25/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 08/31/2021 | Monthly Motor Fuel Distributor Report |
| 09/01/2021 | Quarterly Insurance Tax Payment |
| 09/02/2021 | Monthly Motor Fuel Suppliers Report |
| 09/03/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 09/10/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 09/15/2021 | Monthly Cigarette Tax Credit Account Payment and Report |
| CY Co-ops to File Form MO 1120 and Form MO-7004 | |
| Form MO-1040ES | |
| Form MO-1120ES | |
| Monthly Withholding Return | |
| Monthly Other Tobacco Products Report | |
| 09/20/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| Monthly Cigarette Tax Cash Account Report | |
| Monthly Sales and Use Tax Return | |
| Monthly Tire and Battery Fee Return | |
| Monthly Medical Marijuana 4% Tax Return | |
| 09/27/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 09/30/2021 | Monthly Motor Fuel Distributor Report |
| Fiducaiary Income Return with Extension | |
| 10/04/2021 | Monthly Motor Fuel Suppliers Report |
| 10/05/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 10/13/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 10/15/2021 | Monthly Cigarette Tax Credit Account Payment and Report |
| Form MO-1040 with Extension | |
| Form MO-1120 or MO-1120S with Extension | |
| Form MO-1065 with Extension | |
| Monthly Other Tobacco Products Report | |
| 10/20/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| Monthly Cigarette Tax Cash Account Report | |
| 10/27/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 11/01/2021 | Monthly Motor Fuel Distributor Report |
| Monthly and Quarterly Withholding, Sales and Use, and Tire and Battery Fee | |
| Monthly Medical Marijuana 4% Tax Return | |
| 11/02/2021 | Monthly Motor Fuel Suppliers Report |
| 11/03/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 11/10/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 11/15/2021 | Monthly Cigarette Tax Credit Account Payment and Report |
| Form MO-1120 for those filing Federal Form 990-T with extension | |
| Monthly Withholding Tax Return | |
| Monthly Other Tobacco Products Report | |
| 11/18/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 11/22/2021 | Monthly Cigarette Tax Cash Account Report |
| Monthly Sales and Use Tax Return | |
| Monthly Tire and Battery Fee Return | |
| Monthly Medical Marijuana 4% Tax Return | |
| 11/26/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 11/30/2021 | Monthly Motor Fuel Distributor Report |
| 12/01/2021 | Quarterly Insurance Tax Payment |
| 12/02/2021 | Monthly Motor Fuel Suppliers Report |
| 12/03/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 12/10/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 12/15/2021 | Monthly Cigarette Tax Credit Account Payment and Report |
| Form MO-1120ES | |
| Monthly Withholding Tax Return | |
| Monthly Other Tobacco Products Report | |
| 12/20/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| Monthly Cigarette Tax Cash Account Report | |
| Monthly Sales and Use Tax Return | |
| Monthly Tire and Battery Fee Return | |
| Monthly Medical Marijuana 4% Tax Return | |
| 12/28/2021 | Quarter-Monthly Withholding and Sales Tax Payment |
| 01/03/2022 | Monthly Motor Fuel Distributor Report |
| November 2021 Monthly Motor Fuel Suppliers Report | |
| 01/05/2022 | Quarter-Monthly Withholding and Sales Tax Payment |