# OECD The Organisation for Economic Co-operation and Development is the policy-research and standard-setting body of 38 mostly wealthy market democracies, headquartered in Paris and founded in 1961 as the successor to the body that administered Marshall Plan aid. It makes no binding law and lends no money. It produces comparative statistics, peer reviews, and negotiated standards — on tax, bribery, corporate governance, education, and AI — that governments then adopt or don't. Its influence is entirely a function of being the venue where rich countries agree on what counts as best practice. **Secretary-General: Mathias Cormann**, whose mandate the Council extended in July 2025 for a second and final five-year term running to 2031. Membership has not changed since Costa Rica joined in 2021; Romania is furthest along in accession, having secured its 21st of 25 required committee opinions in February 2026 and targeting membership by the end of 2026. Bulgaria, Croatia, Argentina, Brazil, Peru, Indonesia, and Thailand are also in the pipeline. ## The Global Minimum Tax Fight The OECD's most consequential recent work is the two-pillar international tax project, and its resolution is the single best illustration of how this organization actually functions. **Pillar Two** established a 15% global minimum effective tax rate on large multinationals, enforced through a set of interlocking rules — most aggressively the Undertaxed Profits Rule, which lets *other* countries tax a group's income if its home country doesn't. That design is what made it work: it applies to a company regardless of whether its home government signed on. Around 140 jurisdictions endorsed the framework. The United States never enacted it. On 20 January 2025 the administration issued a memorandum declaring the global tax deal without effect in the US — a withdrawal from the *deal*, not from the organization. Congress then advanced Section 899, a retaliatory tax on entities from countries applying the UTPR to American firms, universally nicknamed the "revenge tax." The fight resolved in June 2025 at the [[G7]]: a political agreement to exclude US-parented groups from the key Pillar Two rules on the basis that US tax law is already sufficiently robust. Section 899 was dropped from the reconciliation bill. On **5 January 2026** the OECD Inclusive Framework — 147 countries — issued the administrative guidance implementing it. The centerpiece is the **Side-by-Side Safe Harbor**, under which US-parented groups can elect a deemed top-up tax of zero under both the Income Inclusion Rule and the UTPR, worldwide. They remain subject to domestic minimum taxes and must still file information returns to make the election. **Pillar One** — the multilateral replacement for national digital services taxes — remains unfinished. Several countries retain DSTs; Canada rescinded its own in summer 2025 under tariff threat. Several dozen countries have criticized the side-by-side approach. The substance of the objection is straightforward: a minimum tax that exempts the largest source of multinational profit is a different instrument than the one negotiated. ## The US Is Still In This is the fact that makes the OECD analytically useful here, and it needs saying plainly because it cuts against the expected pattern. **The United States has not withdrawn from the OECD.** It is not on the [[2026 International Organizations Withdrawal Memorandum]] list. No defunding action has surfaced. [[Jamieson Greer]] travelled to Paris for the Ministerial Council Meeting on 3–4 June 2026 and held bilaterals on "fair, balanced, and reciprocal trade." An administration that exited 66 international bodies in one document, left the WHO, left the Paris Agreement, is leaving the UNFCCC, and skipped its own UN human-rights review continues to attend OECD ministerials in Paris. ## Why It Matters Here The OECD is the strongest evidence for the vault's sorting principle, precisely because it is the case most likely to falsify it. On the surface the OECD should be a prime target: Paris-based, technocratic, produces exactly the kind of transnational standard-setting that "globalism" critiques name, and it authored a tax regime the administration explicitly rejected. It has none of the features that spared the [[International Monetary Fund]] — no US veto, no weighted voting, no American leadership convention. What it has instead is **compliance without coercion**. When the US objected to Pillar Two, the OECD did not rule against it, sanction it, or proceed over its objection. It renegotiated the standard to accommodate American law and published guidance implementing the accommodation. The organization demonstrated that its output is adjustable by a sufficiently determined member. That is the actual test. Not whether an institution constrains the United States in theory, but whether it has ever done so in practice against American resistance. The [[World Trade Organization]] once did, and was disabled. The [[International Criminal Court]] tried, and its judges were sanctioned. The OECD adjusted — and remains a body the US sends its trade representative to. ## See Also - [[G7]] — where the June 2025 minimum-tax deal was struck - [[G20]] — the OECD's partner in the two-pillar project; 2026 US presidency - [[World Trade Organization]] — the institution that did constrain, and was disabled - [[International Monetary Fund]] · [[World Bank]] — kept by veto rather than by accommodation - [[2026 International Organizations Withdrawal Memorandum]] — the list the OECD is not on - [[US Treaty and Organization Withdrawal Timeline]]