1120 Montana electronic filing information
Contact information
Montana Department of Revenue
Email:
DORCustomerAssistance@mt.govPhone:
406-444-6900 State electronic filing details
E-filing information | Details |
|---|---|
Grace period | 10 days |
E-filing mandate | No |
Accepts state-only filings | Yes Yes. Attach the federal XML created for this State (Default). Only Federal e-file validation errors have to be cleared. E-file Reject Diagnostics do not have to be cleared |
Return types accepted | C Corporation S Corporation Consolidated/Combined Amended Short-year Composite (part of main return e-file) Withholding (part of main return e-file) |
Return types not accepted | Amended Composite Estimate Payments Extension |
Direct deposit of refunds | Yes |
Accepted forms of payment | Direct debit (EFW) Electronic funds transfer (EFT) Check by mail |
Signature requirements | None |
Supports PDF attachments | Yes |
Tax year(s) supported for e-filing | Current tax year and two prior tax years |
Special considerations | None |