ISO 20022 · Unit of measure
CEERCertified Emissions Reduction
Published definition
Unit of emissions type (or carbon credits) issued by the Clean Development Mechanism (CDM) Executive Board for emission reductions achieved by CDM projects and verified by a DOE (Designated Operational Entity) under the rules of the Kyoto Protocol.
Code set and usage
Unit of measure contains 96 registered codes. Its exact identifier is ExternalUnitOfMeasure1Code.
Specifies the external unit of measure by means of a code in the format of character string with a maximum length of 4 characters. The list of valid codes is an external code list published separately. External code sets can be downloaded from www.iso20022.org.
Use the code with the applicable message version and implementation guide. A matching code value alone does not establish the same meaning in another set.