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Multistate Tax Alerts

State and local tax legislation and updates

Are you a taxpayer or tax professional looking for trending and up-to-date multistate tax alerts? Explore our database for the latest developments, updates, and summaries on federal, state, and local tax legislation.

The most recent Multistate Tax alerts

Find the latest developments on state tax legislative, judicial, and administrative matters

All States

State income tax implications of the One Big Beautiful Bill Act

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Texas

Texas enacts changes to research and development tax credit

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California

California shifts to SSF apportionment for financial institutions and extends elective PTET

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Louisiana

Louisiana enacts new filing methodology for S corporations

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Alerts by tax category

Search relevant and recent state and local alerts by tax category

July 14, 2025: State income tax implications of the One Big Beautiful Bill Act

June 17, 2025: Illinois fiscal year 2026 budget tax highlights

April 30, 2025: Kansas enacts single sales factor apportionment and market-based sourcing

July 19, 2023: United States Supreme Court denies certiorari petition for North Carolina sales and use tax case

July 17, 2023: Ohio passes FY2024-FY2025 operating budget, enacting various tax changes

May 31, 2023: Minnesota enacts retail delivery fee and other sales and use tax law changes

June 2, 2025: Georgia Court of Appeals upholds sales tax liability on ride share provider

May 22, 2025: Washington expands sales and use tax to select services

May 21, 2025: Maryland enacts sales tax on information technology and data services

March 21, 2025: San Francisco GRT draft market sourcing rules impact on asset managers

March 19, 2025: San Francisco releases draft market sourcing rules for gross receipts tax

November 7, 2024: San Francisco voters approve changes to city’s business taxes

June 27, 2022: New Jersey announces Transfer Pricing Initiative

November 4, 2021: Louisiana announces Transfer Pricing Managed Audit Program

May 13, 2021: Georgia enacts judicial deference law

June 27, 2025: California proposes SSF apportionment for financial institutions and PTET extension

June 26, 2025: Louisiana enacts new filing methodology for S corporations

July 31, 2024: Missouri enacts changes to pass-through entity tax, including opt-out election

July 1, 2025: Texas enacts changes to research and development tax credit

June 16, 2025: New York fiscal year 2026 budget bill highlight

January 17, 2025: New Jersey Manufacturing Voucher Program Phase 3- application opening early 2025

July 17, 2023: Ohio passes FY2024-FY2025 operating budget, enacting various tax changes

July 14, 2023: California enacts legislation requiring income from ING trusts to be included in grantor’s income and subject to tax

April 24, 2023: Alabama Tax Tribunal rules that nonresident’s income from Alabama company is subject to tax

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Alexis Morrison-Howe

Alexis Morrison-Howe

Principal | Deloitte Tax LLP
+1 617 437 2345