SCorpDesk / 2026 S-Corp & QBI Guides / Montana (MT) 2026 S-Corp Tax Calculator, PTET Election & Franchise Tax Guide

Montana (MT) 2026 S-Corp Tax Calculator, PTET Election & Franchise Tax Guide

What are the 2026 S-Corp tax and PTET rules in Montana?

In Montana (MT), the 2026 S-Corporation election rule is: Recognizes Federal Form 2553 (Form PTE). For the Pass-Through Entity Tax (PTET) deduction: 5.90% Montana Pass-Through Entity Tax. Entity-level franchise/minimum tax: $20 Annual Report Fee.

In Montana (MT), the 2026 S-Corporation election rule is: Recognizes Federal Form 2553 (Form PTE). For the Pass-Through Entity Tax (PTET) deduction: 5.90% Montana Pass-Through Entity Tax. Entity-level franchise/minimum tax: $20 Annual Report Fee.

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2026 Montana (MT) S-Corporation Statutory Tax Matrix

Montana S-Corp Compliance Area2026 Statutory Rule
State S-Corp Election RecognitionRecognizes Federal Form 2553 (Form PTE)
Pass-Through Entity Tax (PTET) Election5.90% Montana Pass-Through Entity Tax
Annual Minimum / Franchise Tax$20 Annual Report Fee
Federal Section 199A QBI DeductionUp to 23% of qualified K-1 income under Public Law 119-21
Home Office & Mileage Deduction MethodMust use an IRC Section 62(c) Corporate Accountable Plan

Frequently Asked Questions

Does Montana require a separate state S-Corp election in 2026?

For Montana (MT): Recognizes Federal Form 2553 (Form PTE).

What is the Montana S-Corp franchise or minimum tax for 2026?

In Montana: $20 Annual Report Fee.

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