AI Tools for Tax Attorneys
AI tools that help tax attorneys research IRS rulings, find tax court precedents, analyze SEC filings for tax disclosures, and monitor regulatory changes.
Works in Chat, Cowork and Code
Tax court and IRS case law research
Search Tax Court memoranda, federal circuit opinions, and SCOTUS tax decisions for precedents. Find how courts have ruled on specific statutory interpretations, penalties, and IRS procedural challenges.
Found 28 relevant decisions. Pattern: Syndicated conservation easement transactions facing near-universal disallowance + 40% gross valuation misstatement penalty. Key case: Plateau Holdings v. Comm'r (11th Cir. 2022) — 40% penalty upheld, charitable deduction denied in full. Tax Court sustaining IRS positions at 94% rate in this category. 6 cases pending Supreme Court cert.
IRS regulatory and guidance research
Look up Revenue Rulings, PLRs, Technical Advice Memoranda, and recently-issued proposed regulations. Know the IRS's position on novel transactions before your client takes a reporting position.
IRS Rev. Rul. 2023-14 (July 2023): Staking rewards are gross income in the year received, valued at fair market value at time of receipt. Jarrett v. United States (M.D. Tenn. 2022) refund case — IRS later reversed its refund position consistent with Rev. Rul. 2023-14. Proposed regulations on digital asset broker reporting (Reg-122793-19) effective Jan 2025 — add Form 1099-DA reporting.
Tax rate and bracket reference
Instantly access current federal tax brackets, capital gains rates, estate and gift tax thresholds, NIIT rates, and SALT deduction limits. Run quick tax estimates for structuring discussions without pulling out old returns.
2025 LTCG rate at $9.2M total income: 20%. NIIT: 3.8% (net investment income over $200K threshold). Combined federal rate on LTCG: 23.8%. Estimated federal tax on $8M gain: ~$1.904M. State tax varies — if in California: add 13.3% = total effective rate ~37.1%. Structuring as installment sale could reduce net present value of tax.
Corporate tax disclosure review
Review SEC filings to analyze how public companies disclose uncertain tax positions (ASC 740), IRS examination results, and deferred tax liabilities. Use this for M&A tax diligence or to benchmark client disclosures.
2022: UTBs $16.8B. Active IRS examination of years 2014–2018. 2023: UTBs $18.1B. IRS expanded exam to 2019–2021. 2024: UTBs $19.7B. EU State Aid case (Ireland) — €13B potentially payable pending appeals. Note: Apple's effective tax rate vs. statutory rate gap of 7.2 points driven primarily by foreign earnings structure.
International tax and compliance research
Research OECD Pillar Two global minimum tax implementation, FATCA compliance requirements, CFC rules, and treaty positions for cross-border transactions. Stay current on rapidly evolving international tax law.
Pillar Two in force: EU (all member states), UK, Japan, Canada, Australia, South Korea, Switzerland — 40+ jurisdictions as of 2025. US: GLOBE rules not enacted (CAMT is not equivalent). Your Cayman subsidiary: no local QMT. IIR exposure: Yes — if any parent jurisdiction applies IIR (EU, UK, Canada). UTPR: May apply in parent's jurisdiction against undertaxed profits.
Ready-to-use prompts
Find US Tax Court and federal circuit decisions from 2017–2024 involving IRS challenges to intercompany royalty payments from US subsidiaries to foreign IP holding companies. Include the court's analysis and outcome.
What is the current federal SALT deduction cap under the TCJA, which states have enacted SALT workaround PTETs, and what is the current IRS guidance on PTET deductibility at the entity level?
What is the 2025 federal estate tax exemption amount, the marginal rate above the exemption, and the annual gift tax exclusion? Also include the GST tax exemption and rate.
Find Tax Court cases from 2020–2024 where the court abated or reduced accuracy-related penalties under IRC 6662 because the taxpayer relied on competent professional advice. What constitutes "reasonable cause" in these cases?
Research all IRS guidance, Revenue Rulings, and Notice publications on cryptocurrency tax treatment from 2014 to present. Include the treatment of forks, airdrops, staking, and NFT sales.
Summarize the current US corporate tax rate, GILTI inclusion rate for 2025, BEAT rate, and FDII deduction percentage. Also show how the OECD Pillar Two 15% minimum rate interacts with GILTI.
Find all 10-K filings where Alphabet disclosed increases in unrecognized tax benefits exceeding $500M in a single year. What were the reasons disclosed and the IRS examination years involved?
Research the BBA centralized partnership audit rules enacted in 2015. Find Tax Court cases from 2020–2024 interpreting partnership-level adjustments and the push-out election.
Tools to power your best work
165+ tools.
One conversation.
Everything tax attorneys need from AI, connected to the assistant you already use. No extra apps, no switching tabs.
Business sale tax structuring analysis
Before advising on a business sale structure, research applicable rates, precedents for similar deals, and IRS examination risks.
International tax due diligence for cross-border acquisition
Assess the target company's international tax exposure and structure before a cross-border acquisition.
Frequently Asked Questions
Does the case law tool include Tax Court memoranda and summary opinions?
Legal Research indexes published US Tax Court decisions, Tax Court Memoranda (T.C. Memo), and Summary Opinions (T.C. Summary). Federal Circuit, D.C. Circuit, and other circuit court tax decisions are also included, along with SCOTUS tax opinions.
Can I find IRS Revenue Rulings and PLRs with these tools?
Deep Research can locate Revenue Rulings, Revenue Procedures, Notices, PLRs (which are publicly released with identifying information redacted), and Technical Advice Memoranda through publicly available IRS publications. For current PLR status, cross-reference with the IRS FOIA portal.
How current is the tax reference data?
Tax Reference is updated annually for each tax year and reflects IRS inflation adjustments as published. For mid-year legislative changes (like those enacted by reconciliation bills), verify against the latest IRS announcements and the relevant IRC sections.
Can these tools help with state and local tax research?
Deep Research covers major state tax provisions and case law. Tax Reference includes federal data primarily, with selected state references. For SALT-specific research across all 50 states, use Deep Research and specify the state jurisdiction in your query.
Can I use the SEC filings tool to benchmark client tax disclosures against industry peers?
Yes. SEC Filings lets you compare effective tax rate disclosures, UTB balances, deferred tax asset valuation allowances, and IRS examination disclosures across peer companies in the same industry. This is useful for advising clients on disclosure adequacy and audit risk positioning.
Give your AI superpowers.
Works in Chat, Cowork and Code