Tax Treaty and Cross-Border Tax Recruiters

IRS Publication 6024 (September 2024) reports calendar year 2021 statistics for U.S.-source income paid to foreign recipients on Form 1042-S. Nearly 9 million returns were filed. Of those returns, 55.5 percent were subject to withholding tax. The income was $945.1 billion. Of that income, 13.7 percent was subject to withholding, and the average rate on the portion subject to withholding was 16.9 percent. Interest was 42.1 percent of the income and dividends were 25.8 percent. Dividends and interest are different treaty articles. A requisition that says “cross-border tax” and means both will interview the wrong half of the bar.

The same publication splits who received the money. Recipients in countries with a reciprocal tax treaty received 78 percent of total income and paid 75.1 percent of total tax withheld. Recipients in the United Kingdom received $110.1 billion, the largest country amount. Individuals received 82.9 percent of the payments and 19 percent of the income. Corporations received 9.2 percent of the payments, 57.3 percent of the income, and 54.1 percent of the tax withheld. The corporate slice is the search. A headcount of Forms 1042-S is a count of payment lines, and most of those lines are small payments to individuals.

Of the income that was a dividend, 83.5 percent was subject to withholding. Of the income that was interest, 2.8 percent was subject to withholding. Portfolio interest and a treaty rate are different reasons a line can show zero tax. The lawyer who can say which reason applies is the withholding hire. The statutory Chapter 3 rate, before a treaty or a Code exemption, is 30 percent. The IRS Statistics of Income page for foreign recipients of U.S. income, last reviewed on 19 March 2026, states that rate and states that a treaty or a statutory exemption frequently reduces or eliminates it. That page also posts Form 1042-S tables through calendar year 2023. Publication 6024 remains the latest narrative of the study, and it is a 2021 year.

Sartori & Partners maps 1,480,000+ lawyers. A tax treaty search is drawn from the slice of that field that has applied a treaty article, prepared a limitation-on-benefits analysis, or owned a Form 1042-S position. The parent tax practice covers planning and controversy together. Controlled foreign corporations, minimum-tax qualification, and advance pricing agreements sit on the international tax page. Related-party pricing sits on the transfer pricing page. This page is the treaty and withholding instruction.

Law-firm treaty groups. The buyer is a practice head replacing a partner, adding a counsel who can sign a limitation-on-benefits opinion, or hiring an associate who has already lived inside a Form 1042-S exam. The test is the treaty article, and the country. A partner who has written controlled-foreign-corporation inclusions, and has not applied a limitation-on-benefits test, is an international-tax lateral. That search is a different instruction. Conflicts decide whether a conversation can start: the lawyer’s current withholding agents, and the firm’s existing competent-authority inventory. Partner searches of this kind run through partner recruiting and, where the brief is a tax lateral, lateral partner recruiting for tax.

The general counsel, hiring into Legal. The title is Tax Counsel or Assistant General Counsel — Tax, and the work is the treaty position the company will disclose, the privilege around it, and any competent-authority request that follows a denial. The reporting line is the chief legal officer. This seat does not sign the Form 1042. Mixing it with the Finance withholding calendar is how the search stalls. The in-house path is in-house counsel recruiting. The combined planning-and-controversy profile, for a lawyer who still writes the structure and then defends it, is the tax planning and controversy speciality.

The head of tax, hiring inside Finance. The title is often Director of Cross-Border Tax or a withholding lead under the chief tax officer. The work is the rate on the payment, the documentation that supports it, and the decision to claim a treaty or to withhold at 30 percent. Compensation for this desk is neither the law-firm scale nor a published treaty-specialty median. It is discussed on the 2026 tax attorney salary page, which separates the Legal desk from the Finance desk.

Funds and inbound platforms. The holding company, the blocker, or the investor has to be a resident of a treaty country and has to satisfy limitation on benefits before a reduced rate is available. The buyer is the fund’s tax counsel or the portfolio company’s head of tax. The credential is the specific treaty and the ownership test, not a general “international” line on a biography. United Kingdom recipients alone accounted for $110.1 billion of the calendar 2021 Form 1042-S income. A U.K. treaty file of that size is a New York and London conversation. The New York end of it is on the New York tax page.

A live claim that cannot wait. A protocol signed on 28 April 2026 that is not yet in force, or a Hungary claim that withholding agents were told on the IRS page reviewed 10 January 2026 to refuse for payments on or after 1 January 2024, does not sit still for a retained search. Interim and fractional cover is a separate book from the retained treaty searches below: 60+ interim and fractional engagements, with a median of 7 days from first call to start. That path is interim legal talent. It keeps the calendar while the permanent search runs.

From October 2023 through September 2026, Sartori & Partners closed 14 tax-treaty and cross-border tax searches: 9 for law firms and 5 for companies. Of those 9 firm searches, 6 were partner and 3 were associate or counsel. 12 of the 14 ended with an accepted offer. The median time to a shortlist, across all 14, was 26 days. On the 12 that ended with an accepted offer, the median time to that offer was 12 weeks.

Of the 5 in-house files, 3 reported to a head of tax and 2 reported to a general counsel. One of the 3: a NYSE-listed life-sciences company in New Jersey hired its director of cross-border tax in 11 weeks, with a shortlist on day 24. The brief was a lawyer who had prepared a Form 8833 and a limitation-on-benefits memorandum, reporting to the head of tax, with the general counsel as the recipient of the treaty position rather than as the manager. That accepted offer, in week 11, is one week faster than the 12-week median. The shortlist, on day 24, is two days faster than the 26-day median for the book.

The shortlist was people who had filed a Form 8833 and run a limitation-on-benefits test, not associates who had only modeled a foreign tax credit. We hired the director of cross-border tax in 11 weeks.

The other 2 of the 14 did not end in an accepted offer. In both, the requisition asked one person to own the Form 1042-S calendar and the limitation-on-benefits opinion. The shortlist showed those were different lawyers, and the client kept the single seat. That is a scoping problem. It is not a shortage of names at day 26. These 14 searches are this specialism in this window. They are separate from the 400+ placements since 2017 (230+ in-house), and separate from the 60+ interim and fractional engagements.

• IRS Publication 6024 (September 2024) — calendar 2021 Form 1042-S: nearly 9 million returns, $945.1 billion, 78 percent to treaty countries, United Kingdom $110.1 billion.
• IRS, foreign recipients of U.S. income (page reviewed 19 March 2026) — statutory 30 percent Chapter 3 rate; tables posted through calendar year 2023.
• IRS Table 3, list of tax treaties (updated through 26 September 2025) — treaties in effect.
• IRS, United States income tax treaties A to Z (reviewed 3 January 2026) — Hungary marked terminated; Russia marked partially suspended.
• IRS, Hungary tax treaty documents (reviewed 10 January 2026) and Announcement 2024-5 — termination effective 8 January 2023; withholding relief ceased 1 January 2024.
• IRS Notice 2024-11 — Hungary and Russia removed from the section 1(h)(11) list; Chile dividends on or after 19 December 2023.
• Treasury press release (28 April 2026) — U.S.-Croatia protocol; underlying convention signed 7 December 2022; not yet in force.
• H.R. 1, 119th Congress, Public Law 119-21 (4 July 2025) — the Act named in the Croatia non-discrimination amendment.
• Treasury, tax treaties — U.S. Model Income Tax Convention, 17 February 2016.
• Japan Ministry of Finance, MLI signatories (as of 6 May 2026) — 105 signed, 89 deposited. The United States is not on the list.
• OECD, tax certainty statistics (31 October 2025) — 24.5 months for 2024 non-transfer-pricing cases; 30.9 months for transfer pricing; 141 jurisdictions.
• OECD MAP statistics, 2024 — 1,466 non-transfer-pricing cases started and 1,318 closed in the post-2015 cohort; 89 older cases closed.
• IRS, About Form 8833 (revision December 2022) — treaty-based return position under section 6114.
• OPM Salary Table 2026-DCB (effective January 2026) — GS-15, $169,279 to $197,200.
• Bloomberg Law (2 June 2026) and Above the Law (2 June 2026) — matching-firm base $235,000 to $455,000, effective 1 July 2026.
• ACC 2025 Law Department Compensation Survey, Executive Summary (16 September 2025) — Attorney and Senior Attorney median base. No tax-specialty dollar.