This repository was established for the World-Bank-sponsored training sessions that began during January 2020 in Warsaw. This initial repository is a clone of the repository from the World Bank's Revenue Academy github page.
If you want to propose code changes, follow the directions in the USA Tax-Calculator Contributor Guide on how to clone the Poland-Tax Microsimulation_Poland git repository. Before developing any code changes be sure to read completely the manual in this repository which is 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.