On ESMA's website we use a number of abbreviations and acronyms.  The full term is normally used at the beginning of the article, but we have gathered a list of the most commonly used acronyms here for your ease of reference.


APAs Approved Publication Arrangements
ARMs Approved Reporting Mechanisms
CA Contract Agent
CCP Central Counterparty
CEAOB Committee of the European Audit Oversight Bodies
CMU Capital Markets Union
COSO Committee of Sponsoring Organisations of the Treadway Commission
CRA Credit Rating Agency
CSD Central Securities Depository 
DG Directorate General
DQAP Data Quality Action Plan
DRSP Data Reporting Service Providers
DVC Double Volume Cap 
EBA European Banking Authority
ECAI External Credit Assessment Institution
ECB European Central Bank
ECON Committee on Economic and Monetary Affairs
EEA European Economic Area
EFRAG European Financial Reporting Advisory Group
EFTA European Free Trade Association
EIOPA European Insurance and Occupational Pensions Authority
ELTIF European Long-term Investment Funds 
EPSO European Personnel Selection Office
ESA European Supervisory Authority
ESFS European System of Financial Supervision 
ESG Environmental, Social and Governance
ESMA European Securities and Markets Authority
ESRB European Systemic Risk Board
EU European Union
EURIBOR Euro Interbank Offered Rate
EuSEF European Social Entrepreneurship Funds
EuVECA European Venture Capital Funds
FIRDS Financial Instruments Reference Data System 
FSB Financial Stability Board
FTE Full Time Equivalent
IASB International Accounting Standards Board
IFRS International Financial Reporting Standards
IIO Independent Investigation Officer
IOSCO International Organization of Securities Commissions
ISA International Standards on Auditing
IT Information Technology
ITS Implementing Technical Standards
JC Joint Committee
LEI Legal Entity Identifier
MB Management Board
MiCA Markets in Crypto Assets
MMF Money Market Funds
MoU Memorandum of Understanding
NCA National Competent Authority
OLAF European Anti-Fraud Office
OTC Over-The-Counter
OTFs Organised Trading Facilities
Q&A Questions and Answers
PRIIPs Regulations on Packaged Retail and Insurance-based Investment Products
RTS Regulatory Technical Standard
SMSG Securities and Markets Stakeholder Group 
SNE Seconded National Expert
SR Securitisation Regulation
STS Simple, Transparent and Standardised
TA Temporary Agent
TC-CCP Third-Country (non-European) Central Counterparty
TR Trade Repository
TRACE ESMA’s Trade Repository Data Reporting tool
TRVs Trends, Risks and Vulnerabilities
TS Technical Standard
UCITS Undertakings for Collective Investment in Transferrable Securities 
WG  Working Group

Abbreviations of the legislations

AIFMD Alternative Investment Fund Managers Directives
BMR Benchmarks Regulation
CRAR Credit Rating Agencies Regulation 
CSDR Central Securities Depositories Regulation
CSRD Corporate sustainability Reporting Directive 
DORA Digital Operational Resilience Act
ECSPR European Crowdfunding Service Providers Regulation
EMIR European market infrastructure regulation
ESAP European Single Access Point
ESEF European Single Electronic Format
MAR Market Abuse Regulation
MiCA Markets in Crypto Assets
MiFID Markets in Financial Instruments Directive
MiFIR Markets in Financial Instruments Regulation
MMFR Money Market Funds Regulation
SFDR Sustainable Finance Disclosure Regulation
SFTR Securities Financing Transactions Regulation
SSR Short Selling Regulation