File and Pay Business Taxes Online - Additional Information

Technical Notes

  • You must have a valid Missouri Tax Identification Number to file or pay using this system. If you have not yet filed a registration application with the department, please visit the Business Tax Registration page.
  • Multiple file periods or billing notices can be filed/paid using this method; however, only one payment can be made for each filing period per day. (For example, a monthly sales tax filer can make payments for multiple months on the same day, but cannot make more than one payment for the same month on the same day.)
  • For the transactions listed below, the date you provide as the effective date is the “electronic” postmark date. If an effective date is not provided, the date the transaction was made will be considered the “electronic” postmark date and funds will be withdrawn within two working days of the effective date indicated. Payments can be made up to 45 days in advance. Payments can be cancelled by contacting the department on or before the effective date of payment by calling (573) 751-8150 or emailing elecfile@dor.mo.gov

Employer Withholding

Form MO-941 - Withholding Return for Monthly, Quarterly, or Annual Filers

You will need the following information to complete this transaction:

  • Contact Information of individual preparing return
  • Missouri Tax Identification Number
  • PIN number assigned to the business
  • File Period (Tax Year + Tax Month)
  • Withholding Due (Line 1 of MO-941)
  • Existing credits(s) or overpayments(s) (Line 3 of the MO-941)
  • Note: Compensation Deduction and Amount Due will be calculated by the system
  • Credit Card or Bank Account Information (E-Check)

Form MO-941 - Monthly Reconciliation for Quarter-Monthly (Weekly) Filers

You will need the following information to complete this transaction:

  • Contact Information of individual preparing return
  • Missouri Tax Identification Number
  • PIN number assigned to the business
  • File Period (Tax Year + Tax Month)
  • Withholding Due (Line 1 of MO-941)
  • Existing credits(s) or overpayments(s) (Line 3 of the MO-941)
  • Note: Compensation Deduction and Amount Due will be calculated by the system
  • Credit Card or Bank Account Information (E-Check)

Quarter-Monthly (Weekly) Payments

You will need the following information to complete this transaction:

  • Missouri Tax Identification Number
  • Quarter-Monthly File Period (Tax Year + Tax Month)
  • Amount Due for Quarter-Monthly Installment
  • Credit Card or Bank Account Information (E-Check)

Billing Notices (4648, 4649, 4651, 4653, 4655)

You will need the following information to complete this transaction:

  • Missouri Tax Identification Number
  • File Period (Tax Year + Tax Month)
  • Amount Due for File Period
  • Credit Card or Bank Account Information (E-Check)

Corporate Tax

Form MO-1120ES - Declaration of Estimated Tax

You will need the following information to complete this transaction:

  • Missouri Tax Identification Number
  • File Period (Tax Year)
  • Amount Due for Estimated Payment
  • Credit Card or Bank Account Information (E-Check)

Form MO-1120 or MO-1120S - Return Payment

You will need the following information to complete this transaction:

  • Missouri Tax Identification Number
  • File Period (Tax Year)
  • Amount Due for Return
  • Credit Card or Bank Account Information (E-Check)

Billing Notices (4501, 4503, 4504, 4505, 5003, or others)

You will need the following information to complete this transaction:

  • Missouri Tax Identification Number
  • File Period (Tax Year)
  • Amount Due for Notice
  • Credit Card or Bank Account Information (E-Check)

Sales/Use Tax

Quarter-Monthly (Weekly) Payments

You will need the following information to complete this transaction:

  • Missouri Tax Identification Number
  • Quarter Monthly File Period (Tax Year + Tax Month + Tax Week)
  • Amount Due for Quarter-Monthly Installment
  • Credit Card or Bank Account Information (E-Check)

Monthly, Quarterly, or Annual Payments

You will need the following information to complete this transaction:

  • Missouri Tax Identification Number
  • File Period (Tax Year + Tax Month)
  • Amount Due for File Period
  • Credit Card or Bank Account Information (E-Check)

Billing Notices (C401, C402, C403, C411, C412, P208, P218, P220, 8251)

You will need the following information to complete this transaction:

  • Missouri Tax Identification Number
  • File Period (Tax Year + Tax Month)
  • Amount Due
  • Credit Card or Bank Account Information (E-Check)

Other Tax Types

Form 5068 - Tire/Lead-Acid Battery Fee Return Payment

You will need the following information to complete this transaction:

  • Contact Information of individual preparing the return
  • Missouri Tax Identification Number
  • PIN number assigned to the business
  • File Period (Tax Year + Tax Month)
  • Number of Tires Sold
  • Tires Adjusted +/- (if any)
  • Number of Batteries Sold
  • Batteries Adjusted +/- (if any)
  • Credit Card or Bank Account Information (E-Check)

Motor Fuel Tax Payments

You will need the following information to pay online:

  • Missouri Tax Identification Number
    • Unregistered individuals – To make motor fuel tax payments, use the following as your license number: Enter the letter F and the last four digits of your Social Security Number.
    • Unregistered businesses – To make motor fuel tax payments, use the following as your license number: Enter the letter F and the last four digits of your FEIN.
  • File Period (Tax Year + Tax Month)
  • Amount Due
  • Credit Card or Bank Account Information (E-Check)

Cigarette/Tobacco Tax Payments

You will need the following information to pay online:

  • Missouri Tax Identification Number
    • Unregistered individuals – To make cigarette or tobacco tax payments, use the last four digits of your Social Security Number as your license number.
    • Unregistered businesses – To make cigarette or tobacco tax payments, use the last four digits of your FEIN as your license number.
  • File Period (Tax Year + Tax Month)
  • Amount Due
  • Credit Card or Bank Account Information (E-Check)