The standardization system of Iran National Standards Organization (INSO) utilizes various references for developing national standards including the findings of research studies, the adopted international standards such as ISO, IEC, OIML, CODEX, and the standards of the other reputable and recognized Standard Developing Organizations. In this regard, the Deputy Department for Development and Promotion of Standards take the measure for translating the scope, and tables of technical specifications of the feature-based standards into the official language of the international standardization i.e. English as per the policies of INSO for facilitating trade activities of merchants around the world amid helping the implementation of standards in their commercial exchanges with the Islamic Republic of Iran. Accordingly, through a simple subject search, the national standards and technical specifications of the products are available to the users and merchants. This booklet includes the scope and technical specifications of 124 standards pertaining to the frequently traded products and services. It is hoped that the course will lead to flourishing the commercial exchanges aligned with achieving the goals of a powerful Iran. https://en-economic.mfa.ir/en/general_content/45319-Widely-Used-National-Standards.html