Glossary

The completion of allocation, confirmation, and affirmation in DTCC CTM by the 9:00 PM ET industry benchmark on trade date — the operational requirement under SEC Rule 15c6-2 that enables automatic DTC settlement instruction generation for T+1.

Technology layer that processes securities trades after execution — capture, enrichment, matching, settlement, and compliance monitoring — replacing batch-era systems with event-driven workflows for T+1 and hybrid-rail environments.

ISIN and CUSIP are the alphanumeric codes that uniquely identify financial instruments — referenced in almost every trade capture, matching, settlement instruction, and regulatory report.

The operational workflow that sources, manages, and recalls loaned securities — underpinning short selling and collateral financing through regulated locate and borrow processes governed by Regulation SHO Rule 203.

The two-leg settlement lifecycle of a securities loan — FoP delivery of loaned securities, daily mark-to-market margining, and sese.034 recall return — managed as a continuous operational process across the relevant settlement infrastructure.

The end-to-end sequence from trade execution through clearing, affirmation, and DvP settlement — seven operational stages that must complete within the T+1 regulatory window.

Segregation of duties (SoD) is the internal control principle that no single operator can book, approve, and settle a transaction — enforced through conflict matrices, maker-checker workflows, and access certification reviews to satisfy SOX Section 404.

EU law making transfer orders in designated settlement systems legally final and irrevocable, protecting the financial system from participant insolvency contagion.

The point at which an on-chain transaction becomes irrevocable — a property of the consensus mechanism rather than a declaration by any central infrastructure operator.