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MO 8453 Individual Income Tax Declaration

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Missouri Department of Revenue
2014 Individual Income Tax Declaration
For Internet Or Electronic Filing
Form MO-8453

Do Not Mail to Department of Revenue

Form MO-8453 Revised 12-2014

Department Use Only

Tax Return

1. Total federal adjusted gross income (Form MO-1040, Line 1)

2. Total Missouri tax (Form MO-1040, Line 31)

3. Missouri income tax withheld (Form MO-1040, Line 32) Form W-2(s) and 1099R(s) must be attached

4. Refund (Form MO-1040, Line 46)

5. Amount you owe (Form MO-1040, Line 49) Please mail amount due with Form MO-1040V to: Missouri Department of Revenue, P.O. Box 371, Jefferson City, MO 65105-0371 or dial (888) 929-0513 to pay with major credit card.

Declaration of Taxpayer

Under penalties of perjury, I declare that the information I have provided to my electronic return originator (ERO) or entered via the Internet agree with the amounts shown on the corresponding lines of my 2014 Missouri Individual Income Tax Return and with Part 1 above. To the best of my knowledge and belief, my return is true, correct, and complete. I consent that my return and accompanying schedules and statements, if electronically filed, be sent to the Internal Revenue Service (IRS) by my ERO and by the IRS to the Missouri Department of Revenue. I consent that my return and accompanying schedules and statements, if filed via the Internet, will be retained by me for three years. If I have filed a balance due return, I understand that if the Department does not receive full and timely payment of my tax liability, I will remain liable for the tax liability and applicable interest and additions to tax. If I have filed a joint Federal and State tax return and there is an error on my Federal return, I understand my Missouri return may not be forwarded to the Department. If the processing of my return or refund is delayed, I authorize the Department to disclose to my ERO, practitioner, or the transmitter the reason(s) for the delay, or when the refund was sent.

I declare, under the penalties of perjury, that I agree to provide the direct deposit information to the Department so my refund check may be deposited into the account specifically designated. I agree that the Department will not be liable for misrouting of direct deposit based upon incorrect account information provided by myself or the ERO.

Declaration of ERO and Paid Preparer

I declare that I have reviewed the above taxpayer’s return and that the entries on Form MO-8453 are complete and correct to the best of my knowledge. If I am only a collector, I understand that I am not responsible for reviewing the taxpayer’s return; I declare that Form MO-8453 accurately reflects the data on the return. I have obtained the taxpayer’s signature on Form MO-8453 before submitting this return to the Missouri Department of Revenue, have provided the taxpayer with a copy of all forms and information to be filed with the Missouri Department of Revenue and have followed all other requirements described in the Missouri Handbook for Electronic Filers and any requirements specified by the Missouri Department of Revenue. If I am also the Paid Preparer, under penalties of perjury, I declare that I have examined the above taxpayer’s return and accompanying schedules and statements, and to the best of my knowledge and belief, they are true, correct, and complete. This declaration of Paid Preparer is based on all information of which the preparer has any knowledge.

I declare that the direct deposit information transmitted electronically was provided by the taxpayer. I agree I will be liable for reimbursement to the taxpayer or the Missouri Department of Revenue if the direct deposit is misrouted based on this information and cannot be recovered.

Paid Preparer Use Only

Under penalties of perjury, I declare that I have examined the above taxpayer’s return and accompanying schedules and statements, and to the best of my knowledge and belief, they are true, correct, and complete. Declaration of preparer is based on all information of which the preparer has any knowledge.

See reverse for instructions

Postmark Date Cash P CR EI O DCN

Instructions

Name, Address, and Social Security Number — If the taxpayer received a MO-1040 Income Tax Long Form Book, check to see that the information on the label is correct. If all information is correct, use the label on the Form MO-8453. The address must match the address shown on the electronically filed Form MO-1040.

Payment of Balance Due

Payment of tax due must be made by April 15, 2015, in order to avoid additions to tax and interest.

The taxpayer must submit Form MO-1040V with payment. You may pay online at http://dor.mo.gov/personal/payonline.php or by calling (888) 929-0513 to pay with a major credit card.

Declaration of Taxpayer

Please select appropriate Direct Deposit box.

The Form MO-8453 must be signed by the taxpayer(s).

Declaration of Electronic Return Originator (ERO) and Paid Preparer

The Form MO-8453 must be signed by the ERO. A paid preparer must sign in the space provided for “Paid Preparer Use Only”, unless the paid preparer is also the ERO, then only the “ERO Use Only” space should be completed and the paid preparer box checked.

Form MO-8453 and supporting documentation (Form W-2s, other state’s returns, etc.) must be retained by the ERO or by the taxpayer if filed over the Internet. Do not mail!

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What the MO 8453 Individual Income Tax Declaration Is

The MO 8453 Individual Income Tax Declaration is a Missouri Department of Revenue transmittal used when an individual income tax return or related supporting documentation is submitted in electronic format but requires a signed declaration. It documents taxpayer consent to e-filing, identifies the electronic return preparer when applicable, and lists any paper attachments sent in support of the electronically filed return. The declaration creates a signed record of accuracy and attribution to reconcile state filing systems with federal e-file transmissions and to satisfy state procedural requirements.

Why completing MO 8453 matters for accurate e-filing

Completing MO 8453 establishes a signed, auditable declaration required for certain electronically filed returns and for any paper documents sent with e-filed returns. It helps ensure submission completeness, confirms taxpayer consent, and reduces processing delays at the Missouri Department of Revenue.

Why completing MO 8453 matters for accurate e-filing

Who typically completes the MO 8453 and when

Choose the signer based on who the form represents: the taxpayer signs personal declarations; preparers sign the preparer block when required.

  • Individual taxpayers filing their own return who must verify attachments or declarations.
  • Paid preparers transmitting returns electronically on behalf of clients.
  • Tax practices reconciling state and federal e-file transmissions and attachments.

Step-by-step: Completing and submitting MO 8453

Follow these core steps to fill, sign, and route the MO 8453 alongside your electronically filed return and any paper attachments.

  • 01
    Prepare Return: Complete the electronic return and identify required attachments.
  • 02
    Complete MO 8453: Fill all fields, list attachments, and verify taxpayer information.
  • 03
    Sign Declaration: Sign with an accepted electronic method or wet signature if instructed.
  • 04
    Transmit or Mail: Transmit e-file; mail attachments per Missouri instructions if required.

Configuring an online workflow for MO 8453

Set up a digital workflow that ensures the form is filled, signed, and attached to the electronic return consistently.

Field Configuration
Upload Source Upload PDF of MO 8453 or generate from tax software
Required Fields Mark SSN, name, tax year, signature block as mandatory
Signer Authentication Use email link, SMS code, or stronger authentication
Audit Trail Enable timestamp, IP capture, and download of certificate

Where to file, send, and retain the completed MO 8453

Use the following routing options depending on whether attachments are electronic or paper and on the Department of Revenue instructions.

  • Electronic Filing: Transmit MO 8453 with the e-filed return through approved transmitters.
  • Mailing Attachments: Mail any required paper attachments to the Missouri DOR address provided in filing instructions.
  • Preparer Retention: Keep a copy in the preparer file for client records and compliance.
  • Taxpayer Copy: Provide the taxpayer with a signed copy for their records.

Technical considerations for digital signing and e-submission

Ensure audit trails are retained and that any electronic signature method meets ESIGN/UETA criteria so the transmittal is admissible and reproducible during audits.

  • Supported formats: PDF, PDF/A, DOCX file compatibility
  • Integrations: Connectors for tax software or document storage
  • Authentication: Email, SMS, or stronger signer verification

Relevant filing dates and timing expectations

MO filing deadlines generally follow federal individual income tax deadlines; observe these key dates and extension rules.

Individual return deadline:

April 15 — calendar-year taxpayers (use federal deadline)

Extension deadline:

October 15 with approved federal extension (Form 4868)

W-2 and 1099 deadlines:

Employee and information return deadlines often fall on January 31

Attachment mailing:

Mail any paper attachments promptly to avoid processing delays

State reconciliation:

Missouri may reconcile e-file data after federal submission

Penalties and risks tied to an incorrect MO 8453

Late or missing form: State processing delays; potential state penalties
Incorrect information: Federal IRC §6721 penalties for incorrect returns
Intentional disregard: Higher fines per IRC §6721; no statutory cap
Wrong TIN: May trigger 24% backup withholding
Preparer penalties: Penalties for fraudulent or reckless preparer conduct
Retention failures: Loss of documentation for audits or appeals

Common errors to avoid when preparing MO 8453

  • Entering a name or SSN that does not match Social Security records, which can lead to identity mismatches and processing delays.
  • Failing to list or include required paper attachments, causing the Department of Revenue to request missing documentation and delay processing.
  • Using an incorrect tax year or return type on the declaration, which can route the form to the wrong processing queue.
  • Omitting the signature or using an electronic signing method that lacks sufficient attribution or audit trail for ESIGN/UETA criteria.

Required data elements on the MO 8453

Taxpayer SSN: Nine-digit identifier
Taxpayer Name: Full legal name
Tax Year: Four-digit year
Signature: Signed and dated
Preparer Info: Preparer name and ID
Attachment List: Names and page counts

How MO 8453 compares with IRS Form 8453

The state transmittal resembles federal Form 8453 in purpose but differs in jurisdictional routing and specific preparer or attachment requirements.

Criteria MO 8453 IRS Form 8453
Purpose state transmittal federal transmittal
When used state e-file attachments federal e-file attachments
Signature method esign/ueta accepted esign/ueta accepted
Filing path missouri dor routing irs e-file routing

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Frequently asked questions about MO 8453

Answers to common practical and compliance questions when preparing, signing, and submitting the MO 8453 Individual Income Tax Declaration.


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