ISO 4217 (MA), SIX Interbank Clearing, is responsible for maintaining the list of codes. The following is a list of active codes of official ISO 4217 currency names. In the standard the values are called "alphabetic code", "numeric code", and "minor unit". The US dollar has two codes assigned: USD and USN (next day). The USS (same day) code is not in use any longer, and was removed from the list of active ISO 4217 codes in March 2014. According to UN/CEFACT recommendation 9, paragraphs 8–9 ECE/TRADE/203, 1996, available online: As of August 2018, there are no new codes planned to be
ISO 28000 ISO 28000 ISO 28000:2007 (Specification for security management systems for the supply chain) is an International Organization for Standardization standard specifying requirements of a security management system particularly dealing with security assurance in the supply chain. Parts of the standard are considered "publicly available", while the entire specification can be purchased from the International Standards Organization. ISO 28000:2007 was developed to codify operations of security within the broader supply chain management system. The PDCA management systems structure was adopted in developing ISO 28000:2007 to bring the elements of this standard in congruence with related standards such as ISO 9001:2000 and