Step 2 of 4 · ProjectsTax engines
IRS Fact Graph
Knowledge-graph rules engine that models the US Internal Revenue Code, the calculation core of Direct File.
What it does
No longer note yet: the description above comes from its own page, read on the day the facts beside it were checked.
Where it fits on the map
- Tax authority › Policy, Legislation & Revenue AnalysisRules as code & legislative draftingcovered
- Tax authority › Returns, Payments & DebtReturns processing & assessmentpartly covered
Named as a project to start with: Two authorities' own calculation cores: a rules engine for the US code, and the rules of the French engine, with a compiler to run them.
Similar projects
Of the same kind, for a shared jurisdiction or tax area. Not a ranking.
- accounting-harnessDeterministic accounting and audit harness with an ASC 740 module for the current and deferred provision.
- Cost-of-Capital-CalculatorCalculates the cost of capital and effective tax rates on new investment.
- DGFiP calculette-irThe M-language rules of the DGFiP engine that computes French income tax and the real-estate wealth tax (IFI).
- EUROMODThe EU tax-benefit microsimulation model, maintained by the Joint Research Centre.
- GETTSIMThe German Taxes and Transfers Simulator: a microsimulation model of German taxes and benefits.
- IRS Form BuilderScala library that turns flow XML, fact dictionaries and locale files into questionnaire sites on Fact Graph.
Maintain this project?
Link to this page from your README, so readers find the facts, the notes and where it fits. The badge is a small SVG served from this site.
[](https://tax-oss.com/projects/irs-fact-graph/)