Translator: Flowingcloud
This is a fully translated version of the Japan Professional Mahjong League competition rules, also more commonly known as JPML A-rules in the English-speaking community.
This is the updated 2023 ruleset, which made a variety of big changes—the most notable change of kuikae (call swapping) being removed. The full list of changes are included at the end of the document.
Rules: JPML Rules (2023)