ok-income-taxSource-cited draft Triggers when the taxpayer is an Oklahoma resident sole proprietor or single-member LLC needing to file Oklahoma Form 511. Covers Oklahoma's six-bracket graduated income tax (0.25%–4.75% for tax year 2025), standard and itemized deductions, personal exemptions, and interaction with federal AGI. Must be loaded alongside us-tax-workflow-base and us-federal-return-assembly.