
LEI Requirements in 2026: What Is Changing, and Who It Affects
How an LEI rule in one country reaches your business An LEI (Legal Entity Identifier, a 20-character global code that identifies a legal entity) is no longer just a matter for your own regulator. Your country might not require one. Your counterparty’s country might. And once it does, the requirement becomes yours in practice. Take a simple case. Your company sits outside the European Union, and you want to trade securities through an EU-regulated investment firm. The legal duty sits with the firm, not with you. Under MiFID II and MiFIR (the EU rules on markets in financial instruments), the firm has to report every reportable trade to its regulator, and that report has to carry your LEI. No LEI, no report. No report, no trade. So the requirement reaches you through the firm you deal with. That is why







