paragraph_text: ISO 22000 is a standard developed by the International Organization for Standardization dealing with food safety. It is a general derivative of ISO 9000.

paragraph_text: ISO 3166-2:AZ is the entry for Azerbaijan in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.

paragraph_text: ISO/TC 68 is a technical committee formed within the International Organization for Standardization (ISO), of Geneva, Switzerland, tasked with developing and maintaining international standards covering the areas of banking, securities, and other financial services. As the standards organization under ISO responsible for the development of all international financial services standards, ISO/TC 68 plays a key role in the development and adoption of new technologies in the banking, brokerage and insurance industries. Many of its current work projects involve developing ecommerce standards such as better online security for financial transactions, XML standards for financial transactions and standards to reduce the cost and delays of international financial transactions. The membership of ISO/TC 68, consists of more than 30 organizations assigned by participating national standards bodies plus additional international standards development organizations that work collaboratively toward global financial services standards development.

paragraph_text: ISO 3166-2:AS is the entry for American Samoa in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.

paragraph_text: Unicode is developed in conjunction with the International Organization for Standardization and shares the character repertoire with ISO/IEC 10646: the Universal Character Set. Unicode and ISO/IEC 10646 function equivalently as character encodings, but The Unicode Standard contains much more information for implementers, covering—in depth—topics such as bitwise encoding, collation and rendering. The Unicode Standard enumerates a multitude of character properties, including those needed for supporting bidirectional text. The two standards do use slightly different terminology.

paragraph_text: ISO 3166-2:FJ is the entry for Fiji in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.

paragraph_text: ISO 3166-2:DK is the entry for Denmark in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.

paragraph_text: ISO 4031 is an international standard first issued in 1978 by the International Organization for Standardization. It defined the representation of local time differentials, commonly referred to as time zones. It has since been superseded by a newer standard, ISO 8601. This newer standard sets out the current formats for local time differentials and so ISO 4031 is no longer in use.

paragraph_text: ISO 3166-1 is part of the ISO 3166 standard published by the International Organization for Standardization (ISO), and defines codes for the names of countries, dependent territories, and special areas of geographical interest. The official name of the standard is "Codes for the representation of names of countries and their subdivisions – Part 1: Country codes". It defines three sets of country codes:

paragraph_text: ISO 3166-2:GB is the entry for the United Kingdom in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. The codes and structures used are provided to the ISO by British Standards and the Office for National Statistics.

paragraph_text: ISO 7001 ("public information symbols") is a standard published by the International Organization for Standardization that defines a set of pictograms and symbols for public information. The latest version, ISO 7001:2007, was published in November 2007.

paragraph_text: ISO 965 (ISO general purpose metric screw thread—tolerances) is an International Organization for Standardization (ISO) standard for metric screw thread tolerances. It specifies the basic profile for ISO general purpose metric screw threads (M) conforming to ISO 261.

paragraph_text: The International Organization for Standardization (ISO) is an international standard - setting body composed of representatives from various national standards organizations.

paragraph_text: ISO 3307 is an international standard for date and time representations issued by the International Organization for Standardization (ISO). The standard was issued in 1975, then was superseded by ISO 8601 in 1988.

paragraph_text: ISO 3166-2:AT is the entry for Austria in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.

paragraph_text: ISO 3166-2:CG is the entry for the Republic of the Congo (called simply "Congo" in the standard) in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.

paragraph_text: ISO 3166-2:JE is the entry for Jersey in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.

paragraph_text: ISO 3166-2:IT is the entry for Italy in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.

paragraph_text: ISO 20121 (full name: ISO 20121:2012, "Event sustainability management systems –- Requirements with guidance for use") is a voluntary international standard for sustainable event management, created by the International Organization for Standardization. The standard aims to help organizations improve sustainability throughout the entire event management cycle.

paragraph_text: ISO 3166-2:BM is the entry for Bermuda in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.

Question: Where is the headquarters of the organization that set the standards for ISO 20121?
Answer: Geneva