Presentation on theme: "Proposed changes to the FpML Coding Schemes XML format Marc Gratacos (ISDA)"— Presentation transcript:
Proposed changes to the FpML Coding Schemes XML format Marc Gratacos (ISDA)
Background FpML publishes its coding schemes in XML format –Based on genericode version 0.2 www.genericode.org www.genericode.org ISO 20022 is defining a set of requirements for coding schemes –Input from genericode, institutions (some of them FpML users), etc. Opportunity for aligment between FpML and ISO 20022
FpML Coding Schemes Versioned –Minor version - additional values –Major version - removal of values, changes to existing values No history of added/removed values –Diffs need to be made between versions to know what values have been changed
ISO Requirements – Maintenance and Version Control Items in a code list should never be deleted. Deprecation should be allowed (an element can clearly be marked as not intended for further use). Usage should not imply a faulty or failed message. And it should never be removed from the list. Items in a code list should have 5 attributes, value, name, definition, origin/requester and introduced date. Code lists and codes will be subject to status and version control: –Code list series version –Code list version –Individual code version Versions will reflect status and date. Codes may not be deleted (but may be deactivated). Code lists should be backwards compatible.
Comparison between ISO Requirements and FpML ISO 20022 Code listsFpML Coding Schemes Numeric index???Not available Code Valid from/expires onNot available NameNot available DefinitionDescription Origin/RequesterSource Introduced DateNot available Code Status (new, removed???)Not available Code Status DateNot available
Open Questions Is there any convention for the numeric index? What Valid from value should we use for existing codes? What would be the difference between code name and code in FpML? What are the code status that a code may have?
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