Mississippi payroll tax form information

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Select a state from the drop-down list or visit the State-specific payroll tax form information topic to view payroll tax form information for that state.

Unemployment forms

Agency: Mississippi Department of Employment Security

Website: http://www.mdes.ms.gov/employers/unemployment-tax/

Description Approval Information Filing Methods Web fill-in Form Due Date
UI-2/3R Approved Paper, Magnetic No Last day of the following month*

* Due date adjusts for non-banking days

Tax payment details

Agency filing addresses

Withholding forms

Agency: Mississippi Department of Revenue

Website: http://www.dor.ms.gov/

Description Approval Information Filing Methods Web fill-in Form Due Date
89-105 Approved Paper, Electronic No By deposit schedule*
89-140 Approved Paper, Internet No January 31st*
W-2 Copy 1 Available up to 2023 (No approval required) Paper, Internet No January 31st*

* Due date adjusts for non-banking days

Tax payment details

Agency filing addresses

Other forms

1099 forms

Description Approval Information Filing Methods Web fill-in Form Due Date
1099-B No approval required Internet No February 28th*
1099-DIV No approval required Internet No February 28th*
1099-G No approval required Internet No February 28th*
1099-INT No approval required Internet No February 28th*
1099-MISC No approval required Internet No February 28th*
1099-OID No approval required Internet No February 28th*
1099-R No approval required Internet No February 28th*
W-2G No approval required Internet No February 28th*
1099-NEC No approval required Internet No February 28th*

* Due date adjusts for non-banking days

See also: State 1099 files overview

Note: Files are created only when the forms include state withholding amounts.

State website: www.dor.ms.gov

E-filing notes

Form UI-2/3

  • Registration with the Mississippi Department of Employment Security is required.
  • File format - MMREF-1
  • Test file required - No
  • Navigate to the Mississippi Department of Employment Security website and click the links for Employer Registration or Tax Reporting Registration to register to file online. Alternatively, you can mail your registration to: Mississippi Department of Employment Security, Contributions and Status Department, P.O. Box 22781, Jackson, MS 39225-2781
  • To create file for internet upload, select one client at a time and choose Create Files. To create file for magnetic media, select multiple clients and choose Create Files.

Forms 89-105

  • Registration required - No
  • File format - FSET
Notes
  • Enter the Mississippi Originator type in the Transmission Information dialog, accessed from the Actions > Process Electronic Forms screen.
  • There is a per-return transmission cost for electronically filing federal 94x forms; enrollment files do not accrue a fee. There is no additional transmission cost for electronically filing state forms. For more information, see Common questions about FSET.

State ID formats

Unemployment ID: 2 digits, followed by a dash, followed by 5 digits, followed by a dash, followed by a digit or letter, followed by a dash, followed by 2 digits.

Note: You can enter the 7 digits then a letter, or a digit then 2 digits. The program will format with dashes in the correct locations.

Withholding ID: 8 digits

New hire reporting

Reporting methods

File Upload Type: Internet

General reporting requirements

Electronic filing required: No
Filing frequency: 15 days from hire date
Registration required: No

Website:

Related topics

State-specific payroll tax form information

Processing state payroll tax forms

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