NPM: modele-social (via) This is a fascinating open source package: it’s an NPM module containing an implementation of the rules for calculating social security contributions in France, maintained by a team at Urssaf, the not-quite-government organization in France that manages the collection of social security contributions there.
The rules themselves can be found in the associated GitHub repository, encoded in a YAML-like declarative language called Publicodes that was developed by the French government for this and similar purposes.
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