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Montana

State Annual Filings

Form
Filing Requirements
Corrections
1098
1098-E
1098-T
1099-A
1099-C
1099-LTC
1099-Q
1099-S
1099-SA
5498-ESA
5498-SA
W-2G
Direct filing of all forms that are reportable to the IRS where the taxable state is Montana.
Corrections of directly filed forms are completed on paper. Only corrected statements are required.
1099-B
1099-DIV
1099-G
1099-INT
1099-MISC
1099-NEC
1099-OID
1099-PATR
1099-R
5498
Montana participates in the IRS Combined Federal/State Program but requires direct filing of all forms that are reportable to the IRS where the taxable state is Montana.
Corrections of directly filed forms are completed on paper. Only corrected statements are required.
W-2
Direct filing required of all W-2s that have dollars to report where the taxable state is Montana.
Corrections of directly filed forms are completed on paper. Only corrected statements are required.
1099-K
Direct filing required of forms that are reportable to the IRS or that have an amount greater than $600 and the recipient state or taxable state is Montana.
N/A
Filing Due Date
Last day of January
Filing Method
Electronic Upload
Electronic Filing URL
(Copy and paste this URL into your Internet browser)
Filing Format
IRS 1220 for 1099 filings, SSA EFW2 for W-2 filings
CFS Participant
Yes
Supporting Documentation
Additional Information
  • Complete Montana reconciliation Form MW-3 online after filings are uploaded.
  • Direct filing of 1099-INT forms is required for Montana residents with reportable income in excess of $10 to other states (the taxable state on the form is not Montana). The IRS Combined Federal/State Program does not satisfy this filing requirement.