State tax updates may 8 2026 multistate developments featured
|

State Tax Updates May 8 2026: California, Maryland, NY, MA, Nevada

What are the most important state tax updates from May 8, 2026? A California appellate court rejected the FTB’s “unitary business” theory against a Texas-based remote contractor, Maryland enacted OBBBA decoupling and PTET changes via the BRFA of 2026, New York’s appellate court affirmed Article 9-A’s P.L. 86-272 internet activity rule, Massachusetts addressed penny-shortage rounding…

State tax updates may 2026 deloitte multistate featured
|

State Tax Updates May 2026: California, Idaho, Illinois, Kansas, Kentucky

What are the most important state tax updates for May 2026? Deloitte’s State Tax Matters (Issue 2026-17) highlights five income/franchise developments — California’s agribusiness three-factor apportionment ruling, Idaho’s Supreme Court fiscal-year tax rate decision, Illinois’s intercompany interest addback, Kansas’s GILTI deletion, and Kentucky’s IRC §174A modifications — plus key sales/use updates. For multistate tax teams…

State tax updates april 2026 obbba conformity featured
|

State Tax Updates April 2026: OBBBA Conformity, PTET, R&D Credits

What are the most important state tax updates April 2026? Multiple states moved on OBBBA conformity (Oregon, Maine, Kentucky, New Mexico), Maine created a new PTET and 2% high-income surcharge, Wisconsin extended R&D credit carryforwards to 50 years, Kentucky added a 14.25% prediction-market excise, and Washington’s new 9.9% personal income tax on income over $1M…