Professional Tax GuidancePowered by AI

Get accurate, authoritative tax guidance based on IRS publications, Treasury regulations, and official tax court cases. Supporting Federal and Arizona state taxes from 2010-2025.

IRS Publication Based
Treasury Regulations
Tax Court Cases
Arizona State Tax

Authoritative Tax Guidance

Our AI is trained exclusively on official IRS sources to provide accurate, reliable tax information.

Official Sources Only

Every answer is backed by IRS Publications, Treasury Regulations, and Tax Court precedents. No guesswork.

Multi-Year Support

Access tax rules from 2010 through 2025. Perfect for amended returns, audits, and historical research.

Source Citations

Every response includes citations to specific publications and regulations so you can verify the information.

Comprehensive Coverage

Federal and Arizona state tax guidance at your fingertips

Individual Income Tax
Business & Self-Employment
Capital Gains & Losses
Retirement Planning
Deductions & Credits
Estate & Gift Tax
International Tax
Arizona State Tax

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Disclaimer: ShahTax AI provides general tax information for educational purposes only. This is not professional tax advice. For audit representation, complex planning, or specific tax situations, please consult a licensed CPA, Enrolled Agent, or tax attorney.