International Accounting Standards - IAS

What Does International Accounting Standards - IAS Mean?
An older set of standards stating how particular types of transactions and other events should be reflected in financial statements. In the past, international accounting standards (IAS) were issued by the Board of the International Accounting Standards Committee (IASC).

Since 2001, the new set of standards has been known as the international financial reporting standards (IFRS) and has been issued by the International Accounting Standards Board (IASB).

Investopedia explains International Accounting Standards - IAS
IASC has no authority to require compliance with its accounting standards. However, many countries require the financial statements of publicly-traded companies to be prepared in accordance with IAS.