The European Court of Auditors (ECA) is the Union's external auditor. Through its audit work, the Court assesses the economy, effectiveness, efficiency, legality and regularity of EU action to improve accountability, transparency and financial management, thereby enhancing citizens’ trust.
The ECA publishes the results of its audit work in a variety of reports – annual reports, specific annual reports and special reports – depending on the type of audit. Other published products include opinions and review-based publications.
