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Multistate Tax  |  May 9, 2025
State Tax Matters
State Tax Matters
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Multistate Tax Alerts

Throughout the week, we highlight selected developments involving state tax legislative, judicial, and administrative matters. The alerts provide a brief summary of specific multistate developments relevant to taxpayers, tax professionals, and other interested persons. Read the recent alerts below or visit the archive.



Kansas enacts single sales factor apportionment and market-based sourcing
On April 24, 2025, Kansas House Bill 2231 (“H.B. 2231”) was enacted into law and is effective for tax years beginning on or after January 1, 2027. H.B. 2231 switches Kansas from an equally weighted three-factor apportionment formula to a single sales factor method for apportioning business income. The law also adopts market-based sourcing for sales other than tangible personal property. H.B. 2231 further provides for a deferred tax deduction and a decrease in corporate income tax rates if certain conditions are met.

This Multistate Tax Alert summarizes some of the provisions in H.B. 2231.
[Issued: April 30, 2025] More



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In this issue

Indiana: New Law Requires Establishment of Amnesty Program that Provides for Potential Waiver of All Interest and Penalties Wisconsin DOR Reminds Businesses About Benefits of Participating in Voluntary Disclosure Program


Colorado DOR Issues Updated Guidance on Pass-Through Entity Tax that Addresses Tiered Structures Illinois DOR Publishes Guidance on Whether a Partnership Interest is a Qualifying Investment Security Massachusetts: Draft Release Summarizes New Law Revising Apportionment Provisions for Companies Without a Sales Factor Missouri: Proposed PTET Rule Changes Reflect New Opt-Out Election and Other Law Changes Tennessee: New Law Authorizes Excise Taxpayers to Make Discretionary Adjustments in Computing Tax Liability Virginia: Enacted Budget Bill Includes Provision that Extends Ability to Make PTET Election for One More Year


California: San Francisco Tax Collector Posts Additional Information on Proposition M Implementation


Georgia: Online Platform Held Responsible for Collecting Tax on Underlying Transportation Services for Pre-Wayfair Periods Mississippi Supreme Court Agrees that Charges Paid to Third-Party Carrier to Transport TPP In-State are Not Subject to Use Tax Texas: Ruling Says Bundled Subscription Services Constitute Taxable Data Processing Services Wisconsin DOR Reminds Businesses that Imposed Credit Card Fees Are Part of Taxable Sales Price


Kansas enacts single sales factor apportionment and market-based sourcing




Helpful resources

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State tax Matters archive

Multistate Tax Alert archive

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