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Bill

SB 299

Income tax; modifying certain apportionment factor for calculation of Oklahoma taxable income. Effective date.

2026 Regular Session Introduced by Gerrid Kendrix and 1 co-sponsor

SB 299 adjusts Oklahoma's income tax apportionment formula for multi-state businesses, currently in conference committee after House-Senate disagreement on amendments.

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Bill Summary · SB 299

Legislative bill overview

SB 299 modifies how Oklahoma calculates taxable income by adjusting the apportionment factor used in the state's income tax formula. The bill has progressed through the legislative process and reached a conference committee stage after the House rejected initial amendments. The specific technical changes to the apportionment methodology will affect how multi-state businesses allocate Oklahoma taxable income.

Why is this important

Apportionment factors directly impact how much income multi-state corporations owe in Oklahoma taxes, potentially affecting tax revenue and business competitiveness. Changes to these formulas can shift tax burdens between in-state and out-of-state businesses, influencing where companies choose to operate or report income. The bill's current conference committee status indicates significant disagreement between chambers over the appropriate methodology.

Potential points of contention

  • Revenue impact: The magnitude of tax revenue changes from modified apportionment factors is unclear without the bill's specific language, raising questions about fiscal impact
  • Business fairness: Different apportionment methods favor different business structures—some may see this as tax relief while others view it as unfair preferential treatment
  • Interstate commerce considerations: Changes to apportionment could affect Oklahoma's competitive position relative to neighboring states with different tax structures

Compiled from official sources — confirm details with the bill’s official record.

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