1099 deadline
1099: March 2, 2026.
Mississippi Filing Guide
Mississippi W-2 State Filing Requirements
Required forms, 2026 filing-season deadlines, electronic filing rules, reconciliation requirements, penalties, mailing information and frequently asked questions for Mississippi.
MS
Mississippi
W-2 State Filing
Verified August 21, 20261. REQUIRED FORMS
What forms does Mississippi require?
W-2Mississippi annual withholding reconciliation required; see DOR instructions for current form.
Yes. State W-2 filing is part of the current state wage/information-return workflow.
2. FILING DEADLINES
Mississippi e-filing deadlines
February 2, 2026
W-2 deadline
February 2, 2026
Reconciliation / transmittal
Mississippi annual withholding reconciliation required; see DOR instructions for current form.
ACA / health coverage
No separate ACA/MEC information-return filing requirement is included in the current EfileNoot state ACA filing set for this state.
3. ELECTRONIC FILING
Mississippi electronic filing rules
Electronic filing is available; threshold and file-layout rules vary by form and filing volume. Use the official agency source below before transmitting.
Additional filing requirements
Mississippi annual withholding reconciliation required; see DOR instructions for current form.
4. PENALTIES & DELIVERY
Late filing, payment and mailing information
Late filing / payment
Late-filing, late-payment, and electronic-filing penalties can apply. The amount depends on the failure type, tax due, number of returns, and available reasonable-cause relief; use the official agency source below for the current assessment schedule.
Mailing / agency address
Paper mailing addresses vary by return type and payment status. Use the official agency filing instructions linked below for the current address before mailing.
5. SOURCE & AGENCY
Official filing resources
6. FREQUENTLY ASKED QUESTIONS
Mississippi filing FAQs
1. What information returns does Mississippi require?
1099-MISC, 1099-NEC, 1099-K, 1099-B, 1099-R, 1099-G. State filing applies to the listed forms based on the state rules, withholding status, payment source, recipient residency, and/or filing threshold.
2. What is the Mississippi 1099 filing deadline for the 2026 filing season?
1099: March 2, 2026.
3. Is W-2 filing required in Mississippi?
Yes. State W-2 filing is part of the current state wage/information-return workflow.
4. What is the W-2 filing deadline for Mississippi?
February 2, 2026
5. Does Mississippi require an additional reconciliation or transmittal form?
Mississippi annual withholding reconciliation required; see DOR instructions for current form.
6. What are the electronic filing rules for Mississippi?
Electronic filing is available; threshold and file-layout rules vary by form and filing volume. Use the official agency source below before transmitting.
7. What happens if a filer submits late in Mississippi?
Late-filing, late-payment, and electronic-filing penalties can apply. The amount depends on the failure type, tax due, number of returns, and available reasonable-cause relief; use the official agency source below for the current assessment schedule.
8. Where are paper returns mailed for Mississippi?
Paper mailing addresses vary by return type and payment status. Use the official agency filing instructions linked below for the current address before mailing.
9. Does Mississippi require separate ACA / health coverage reporting?
No separate ACA/MEC information-return filing requirement is included in the current EfileNoot state ACA filing set for this state.
10. What payroll filings should an employer track for Mississippi?
This state is not in the current EfileNoot direct state-payroll filing set. Employer registration, unemployment, paid-leave, and other state workforce filings may still apply and should be handled through the state agency workflow.
Verification date: August 21, 2026. Filing requirements can change after publication. EfileNoot should re-verify agency rules before live transmission and should not mark a filing accepted until an agency acknowledgement is received.
Ready to file for Mississippi?
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