{"id":9005,"date":"2024-12-17T07:53:16","date_gmt":"2024-12-17T07:53:16","guid":{"rendered":"https:\/\/goldenpi.com\/blog\/?p=9005"},"modified":"2026-02-26T13:09:19","modified_gmt":"2026-02-26T13:09:19","slug":"international-securities-identification-number","status":"publish","type":"post","link":"https:\/\/goldenpi.com\/blog\/government-securities\/international-securities-identification-number\/","title":{"rendered":"What is the International Securities Identification Number?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Commonly and globally used in the world of finance, the International Securities Identification Number is linked to bonds or securities traded on exchange. It is a 12-character alphanumeric code that allows easy identification of securities. These numbers are assigned by the National Numbering Agency (NNA), and they are respective to each country. The NNA is further registered with the International Organization for Standardization (ISO). Read on to expand your knowledge.\u00a0<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/goldenpi.com\/blog\/government-securities\/international-securities-identification-number\/#Understanding_International_Securities_Identification_Number\" >Understanding International Securities Identification Number<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/goldenpi.com\/blog\/government-securities\/international-securities-identification-number\/#Timeline_of_ISIN\" >Timeline of ISIN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/goldenpi.com\/blog\/government-securities\/international-securities-identification-number\/#Features_of_ISIN\" >Features of ISIN\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/goldenpi.com\/blog\/government-securities\/international-securities-identification-number\/#Steps_in_Assigning_ISIN\" >Steps in Assigning ISIN\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/goldenpi.com\/blog\/government-securities\/international-securities-identification-number\/#Application\" >Application\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/goldenpi.com\/blog\/government-securities\/international-securities-identification-number\/#Verification\" >Verification\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/goldenpi.com\/blog\/government-securities\/international-securities-identification-number\/#Allocation\" >Allocation\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/goldenpi.com\/blog\/government-securities\/international-securities-identification-number\/#Registration\" >Registration\u00a0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/goldenpi.com\/blog\/government-securities\/international-securities-identification-number\/#Wrapping_Up\" >Wrapping Up!\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/goldenpi.com\/blog\/government-securities\/international-securities-identification-number\/#FAQs_About_International_Securities_Identification_Number\" >FAQs About\u00a0International Securities Identification Number?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/goldenpi.com\/blog\/government-securities\/international-securities-identification-number\/#1_Who_is_responsible_for_the_current_ISIN_structure\" >1. Who is responsible for the current ISIN structure?\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/goldenpi.com\/blog\/government-securities\/international-securities-identification-number\/#2_Who_allocates_ISIN_in_India\" >2. Who allocates ISIN in India?\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/goldenpi.com\/blog\/government-securities\/international-securities-identification-number\/#3_What_is_the_difference_between_ISIN_and_CUSIP\" >3. What is the difference between ISIN and CUSIP?\u00a0<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Understanding_International_Securities_Identification_Number\"><\/span><strong>Understanding International Securities Identification Number<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">International Securities Identification Number (ISIN) is used for settlement, clearing, tracking the trading activity and the identification of debt securities, shares and other financial instruments. Common examples in the former category are notes or <a href=\"https:\/\/goldenpi.com\/investment-options\/list-view\" target=\"_blank\" rel=\"noopener noreferrer\">bonds<\/a>, while the latter category includes fund stock or shares, futures, options and derivatives. Further, ISIN is also assigned to T-bills, commodities, stripped coupons, rights and warrants, commercial paper and others. The ISIN is universally recognized, and hence, there is only a single ISIN for each security. ISIN should not be confused with the ticker, which is used for stock identification at the exchange level.\u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Timeline_of_ISIN\"><\/span><strong>Timeline of ISIN<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Let\u2019s visit the history of ISIN adoption in chronological order:\u00a0<\/span><\/p>\n<p><b>1981<\/b><span style=\"font-weight: 400;\">: The need for a unique identifier was specified by ISO<\/span><\/p>\n<p><b>1983<\/b><span style=\"font-weight: 400;\">: The first version of ISIN was launched by ISO<\/span><\/p>\n<p><b>1989<\/b><span style=\"font-weight: 400;\">: Wide global acceptance of ISIN on recommendation by G30 countries\u00a0<\/span><\/p>\n<p><b>1994<\/b><span style=\"font-weight: 400;\">: Electronic exchange of ISIN information through ISIN Access Mechanism via the digital process GIAM-2<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Features_of_ISIN\"><\/span><strong>Features of ISIN\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Among the 12-character combination of ISIN, the first two digits refer to the country where the issuing company is headquartered, the middle nine digits are specific to the security, and the remaining two digits act as checks. The example of ISIN is US0378331005, BMG491BT1088, CH0031240127.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For the OTC derivative transactions, no issuer exists. Hence, the ISIN number consists of \u2018EZ\u2019 as the replacement of the first two characters, followed by the same process of generating other characters. The OTC ISIN is allocated by the globally recognized numbering agency Derivatives Service Bureau (DSB).\u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Steps_in_Assigning_ISIN\"><\/span><strong>Steps in Assigning ISIN\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The process involves four steps:\u00a0<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Application\"><\/span><strong>Application\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The representative or issuer applies for ISIN to NNA in their country of residence for debt securities and in the jurisdiction of the issuer domicile for securities. In the absence of NNA, substitute agencies should be contacted through the <a href=\"https:\/\/en.wikipedia.org\/wiki\/National_numbering_agency\" target=\"_blank\" rel=\"noopener noreferrer\">Association of National Numbering Agencies<\/a>\u2019 website. Further, as mentioned, DSB should be contacted for ISIN. The applicant will need to state security details such as name, <a href=\"https:\/\/goldenpi.com\/blog\/fixed-income\/types-of-government-securities-in-india\/\" target=\"_blank\" rel=\"noopener noreferrer\">type of security<\/a>, currency, and other relevant information.\u00a0<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Verification\"><\/span><strong>Verification\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The submitted information is verified at NNA\u2019s end, followed by the requirement of additional documents, if essential.\u00a0<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Allocation\"><\/span><span style=\"font-weight: 400;\"><strong>Allocation<\/strong>\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Once the verification is clear and passed successfully, the 12-character unique alphanumeric code is assigned to the security. It is for the complete lifetime of security regardless of the country of trading.\u00a0<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Registration\"><\/span><span style=\"font-weight: 400;\"><strong>Registration<\/strong>\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The allocated number is registered at ISO by NNA to ensure global recognition and compliance with international standards.\u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Wrapping_Up\"><\/span><strong>Wrapping Up!\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">As ISIN is a 12-character alphanumeric code assigned to offer a unique and globally recognized identity. The process is overseen by the National Numbering Agency (NNA) in each of the respective countries. Allowing transparency, avoiding confusion, easing settlement, and clearing the securities eases transactions across borders via ISIN.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For any queries, one must contact NSDL in India. To go forward with an investment, connect with <\/span><a href=\"https:\/\/goldenpi.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-weight: 400;\">GoldenPi <\/span><\/a><span style=\"font-weight: 400;\">now.\u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs_About_International_Securities_Identification_Number\"><\/span><strong>FAQs About\u00a0International Securities Identification Number?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_Who_is_responsible_for_the_current_ISIN_structure\"><\/span><strong>1. Who is responsible for the current ISIN structure?\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">ISO 6166 is currently responsible for deciding the ISIN structure.\u00a0<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Who_allocates_ISIN_in_India\"><\/span><strong>2. Who allocates ISIN in India?\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">In India, the <a href=\"https:\/\/www.sebi.gov.in\/\" target=\"_blank\" rel=\"noopener noreferrer\">Securities and Exchange Board of India<\/a> (SEBI) ensures that the National Securities Depository Limited (NSDL) assigns ISIN for the securities. However, the Reserve Bank of India (RBI) regulates the allotment of ISIN code for government securities.\u00a0<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_What_is_the_difference_between_ISIN_and_CUSIP\"><\/span><strong>3. What is the difference between ISIN and CUSIP?\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">ISIN is a globally recognized twelve-character combination. CUSIP is recognized in Canada and the US as a nine-digit character combination.\u00a0<\/span><\/p>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"1. Who is responsible for the current ISIN structure?\u00a0\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"ISO 6166 is currently responsible for deciding the ISIN structure.\u00a0\"}},{\"@type\":\"Question\",\"name\":\"2. Who allocates ISIN in India?\u00a0\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"In India, the Securities and Exchange Board of India (SEBI) ensures that the National Securities Depository Limited (NSDL) assigns ISIN for the securities. 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