______ is a 20 character global reference number

Solution

LEI is a 20 character global reference number conceived  by  G20  that  uniquely  identifies every legal entity or structure that is party to a financial transaction, in any jurisdiction.  Internationally LEI is implemented and maintained by Global Legal Entity Identifier Foundation. Legal  Entity  Identifier  India  Ltd  (LEIL) subsidiary of The Clearing Corporation  of  India  Ltd , is the only Local Operating Unit in India, that will assign LEIs to any legal identity including but not limited to all intermediary institutions, banks, mutual funds, partnership companies, trusts, holdings, special purpose vehicles, asset management companies and all other institutions being parties to financial transactions.