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From Option To Obligation: ESMA’s Messaging Consultation Makes T+1 Operational Readiness A 2026 Priority
The European Securities and Markets Authority has published a consultation paper proposing significant amendments to guidelines governing post-trade communication between investment firms and professional clients under the Central Securities Depositories Regulation. These changes mandate electronic standardised machine-readable messaging protocols, eliminate oral communication from regular workflows, and align regulatory expectations with the EU's transition to a T+1 settlement cycle taking effect in Octobe
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