Artificial Intelligence (AI) is rapidly reshaping the tax profession. From conducting research and analyzing nexus to organizing data, drafting memorandums, and identifying planning opportunities, AI has become an increasingly valuable tool for tax professionals and corporate tax departments alike.
However, while AI has the potential to improve efficiency and streamline routine tasks, it does not replace the professional judgment, due diligence, and technical expertise required to provide sound tax advice.
Recent guidance issued by the IRS Office of Professional Responsibility (OPR) reinforces this point. The OPR reminds practitioners that existing ethical and professional standards—including competence, due diligence, confidentiality, and firm oversight under Circular 230—continue to apply when AI is incorporated into the tax workflow. Simply put, practitioners remain responsible for the work product delivered to their clients, regardless of whether AI assisted in its preparation.
One of the most significant reminders from the guidance concerns written tax advice. Tax opinions and written recommendations must be supported by reasonable factual assumptions and applicable legal authority. AI-generated analyses, projections, or legal conclusions should never be accepted at face value. When the reasoning behind an AI-generated response cannot be verified, tax professionals must independently confirm the facts, research the applicable authorities, and validate the conclusions before relying on the information. AI should be viewed as an effective research assistant and drafting tool—not as the final authority for tax advice.
These principles become even more important in State and Local Tax (SALT), where each jurisdiction maintains its own statutes, regulations, administrative guidance, and judicial precedent. Unlike federal tax, there is no single set of rules. A conclusion that is accurate in one state may be entirely incorrect in another, making experienced state tax analysis indispensable.
Corporate Income & Franchise Tax
AI can be valuable for preliminary research, issue spotting, and organizing multi-state tax data, but corporate income and franchise tax remains one of the most fact-intensive areas of SALT. Filing obligations often depend on nuanced considerations such as economic nexus, Public Law 86-272 protection, remote employees, asset locations, pass-through ownership, and revenue sourcing.
Similarly, apportionment methodologies, combined or separate company reporting, state-specific modifications, net operating losses, franchise tax bases, and intercompany transactions differ significantly among jurisdictions. While AI can identify relevant concepts, it may not accurately apply them to a company’s unique facts or the laws of a particular state. Businesses should verify AI-generated analyses against current statutes, administrative guidance, and their historical tax positions before making compliance or planning decisions.
Advantous Consulting combines AI-driven efficiency with experienced professional judgment to help businesses navigate complex corporate income and franchise tax matters. From nexus studies and apportionment reviews to compliance, voluntary disclosures, and state audit defense, we help taxpayers develop accurate, defensible tax positions throughout the tax lifecycle.
Sales & Use Tax
Sales and use tax presents one of AI’s greatest challenges because taxability is rarely consistent across jurisdictions. A product or service that is taxable in one state may be exempt in another or subject to entirely different sourcing rules and local tax requirements.
While AI can quickly summarize general taxability concepts, it often cannot account for state-specific definitions, local ordinances, industry exemptions, marketplace facilitator rules, or recent legislative changes. For businesses operating in multiple states, relying exclusively on AI for taxability determinations can lead to under-collection, over-collection, audit exposure, and customer disputes.
Advantous Consulting assists businesses by evaluating multi-state sales tax obligations, validating taxability determinations, identifying nexus, and developing compliance strategies tailored to each jurisdiction.
Property Tax
Property tax is unique because successful tax management depends not only on statutory interpretation but also on property valuation and local assessment practices. AI can organize fixed asset information and summarize general valuation concepts, but it cannot fully evaluate market conditions, assessor methodologies, industry-specific valuation issues, or local procedural requirements.
Assessment appeals, exemptions, abatements, and filing deadlines frequently vary by county or municipality. As a result, generalized AI responses may overlook opportunities to reduce assessments or fail to recognize procedural requirements necessary to preserve appeal rights.
Advantous Consulting works with businesses to review assessments, identify exemption opportunities, support valuation appeals, and implement strategies that help minimize property tax liabilities.
Credits & Incentives
State and local credits and incentives are intended to encourage investment, job creation, and economic development—but maximizing these opportunities requires more than identifying available programs.
AI can highlight incentive programs that appear relevant, but determining eligibility often depends on a detailed understanding of a company’s operations, capital investments, hiring plans, project timelines, and long-term business objectives. In addition, many programs impose application deadlines, performance requirements, reporting obligations, and recapture provisions that extend well beyond the initial award.
Advantous Consulting partners with businesses throughout the incentive lifecycle—from identifying opportunities and negotiating benefits to managing compliance and maximizing the long-term value of state and local incentive programs.
AI Is a Powerful Tool—Not a Replacement for Experience
Artificial Intelligence is changing the way tax departments and advisors operate, enabling faster research, improved data analysis, and greater operational efficiency. Organizations that embrace these technologies responsibly will undoubtedly gain significant advantages.
At the same time, the core responsibilities of tax professionals remain unchanged. Competence, due diligence, confidentiality, and independent professional judgment continue to be the foundation of quality tax advice. AI-generated work should always be reviewed, validated, and applied within the context of the taxpayer’s unique facts and the laws of each jurisdiction.
For businesses operating across multiple states, combining AI-driven efficiency with experienced State and Local Tax professionals provides the strongest path toward reducing risk, maintaining compliance, and identifying valuable planning opportunities.
At Advantous Consulting, we believe the future of tax is not AI or professional expertise—it is the thoughtful integration of both. By combining advanced technology with decades of experience in Corporate Income & Franchise Tax, Sales & Use Tax, Property Tax, and Credits & Incentives, we help businesses make informed decisions with confidence while navigating today’s increasingly complex state tax environment.
References
- Internal Revenue Service, Issue Number 2026-19 – Introductory Guidelines for Responsible AI Use in Federal Tax Practice.
- Current Federal Tax Developments. Professional Responsibility in the Age of Generative AI: Analyzing OPR Guidelines and Circular 230 Standards. June 24, 2026.
Contributions: This article benefited from the expertise and input of Joshua Rye (Property Tax Team), Gerald Byrd (Business Incentives Team), and Andrew Black (Sales & Use Tax Team).