I would like to push my local government to provide the Comprehensive Annual Financial Report (CAFR) as an open data source. I was wondering if we could go one step further by providing it in a particular open standard.

2 Answers 2


There does not seem to be a separate data standard for CAFR, but you may want to consider XBRL (eXtensible Business Reporting Language).

The State of Oregon piloted providing CAFR in XBRL format and there are some tools that exist to help provide XBLR formats of a CARF.


Two standards you may wish to consider are XBRL and Frictionless Data.

I have been working on a municipal XBRL taxonomy with others. You can see the current status here: https://github.com/govwiki/us_municipal_cafr_taxonomy

For more on the application of Frictionless Data to fiscal reporting see: https://frictionlessdata.io/specs/fiscal-data-package/


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