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  2. North American Industry Classification System - Wikipedia

    en.wikipedia.org/wiki/North_American_Industry...

    The North American Industry Classification System or NAICS (/ n eɪ k s /) [1] is a classification of business establishments by type of economic activity (the process of production). It is used by governments and business in Canada , Mexico , and the United States of America .

  3. Standard Industrial Classification - Wikipedia

    en.wikipedia.org/wiki/Standard_Industrial...

    The Standard Industrial Classification (SIC) is a system for classifying industries by a four-digit code as a method of standardizing industry classification for statistical purposes across agencies. Established in the United States in 1937, it is used by government agencies to classify industry areas.

  4. ISO/IEC 7812 - Wikipedia

    en.wikipedia.org/wiki/ISO/IEC_7812

    In 2015, ISO TC68/SC9 began work on implementing a change to ISO/IEC 7812 to increase the length of the IIN to 8 digits. The 2017 revision of the standard, since updated by the 2022 systematic review, defined the new eight-digit IIN and outlined a timeline for conversion of existing six digits IINs to eight-digit IINs. [1]

  5. What's a six-digit verification code — and why you should ...

    www.aol.com/whats-six-digit-verification-code...

    Six-digit verification codes are a form of two-factor authentication, a process that helps keep your important online accounts secure. For example, you might get a text message or email with a six ...

  6. Global Industry Classification Standard - Wikipedia

    en.wikipedia.org/wiki/Global_Industry...

    The Global Industry Classification Standard (GICS) is an industry taxonomy developed in 1999 by MSCI and Standard & Poor's (S&P) for use by the global financial community. The GICS structure consists of 11 sectors, 25 industry groups, 74 industries and 163 sub-industries [1] into which S&P has categorized all major public companies.

  7. How to find a business merchant category code - AOL

    www.aol.com/finance/business-merchant-category...

    A merchant category code — or an MCC — is a four-digit number used by credit card companies to classify businesses for payments, taxation and rewards purposes. ... Merchant code range ...

  8. Payment card number - Wikipedia

    en.wikipedia.org/wiki/Payment_card_number

    Payment card numbers are composed of 8 to 19 digits, [1] The leading six or eight digits are the issuer identification number (IIN) sometimes referred to as the bank identification number (BIN). [2]: 33 [3] The remaining numbers, except the last digit, are the individual account identification number. The last digit is the Luhn check digit.

  9. ISO 10962 - Wikipedia

    en.wikipedia.org/wiki/ISO_10962

    ISO 10962, known as Classification of Financial Instruments (CFI), is a six-letter-code used in the financial services industry to classify and describe the structure and function of a financial instrument (in the form of security or contract) as part of the instrument reference data.