This repository will be used in the World-Bank-sponsored training sessions beginning on 2018-09-24 in New Delhi at the Ministry of Finance.
If you want to propose code changes, follow the directions in the USA Tax-Calculator Contributor Guide on how to clone the pitaxcalc-demo git repository. Before developing any code changes be sure to read completely the Contributor Guide and then read about our coding style and testing procedures. You may find this git cheat sheet useful in preparing a GitHub pull request that contains your proposed code changes. The step-by-step workflow used to create and modify a new pull request has been documented for the USA Tax-Calculator in this workflow document.
The pitaxcalc-demo release history provides a summary of past development work.