FIFA – Laws of the Game (Football/Soccer)
Official source for the 17 Laws of Soccer as maintained by FIFA and IFAB, covering everything from field dimensions to fouls and misconduct.
IFAB – Laws of the Game Documentation
https://www.theifab.com/laws-of-the-game-documents/
The International Football Association Board’s site with downloadable official Laws of the Game—updated rules for soccer worldwide.
ICC – Official Cricket Rules & Playing Conditions
International Cricket Council site containing the official playing conditions and regulations governing cricket formats worldwide.
RulesOfSport.com – Simple Rules for Many Sports
A comprehensive, easy‑to‑understand guide to the basic rules and gameplay of hundreds of sports including soccer, cricket, basketball and tennis.
FIBA – Official Basketball Rules
https://about.fiba.basketball/en/our-sport/official-basketball-rules
FIBA’s official site with the internationally recognised rules of basketball, covering game structure, fouls, timing and more.
ITF – Rules of Tennis
https://www.itftennis.com/en/about-us/governance/rules-and-regulations/
The International Tennis Federation’s official rules and regulations page, including scoring system, court and equipment standards.
World Netball – Rules of Netball
https://netball.sport/game/the-rules-of-netball/
Official rules published by World Netball (formerly INF), with the 2024 edition available in multiple languages and covering court layout, timings, positions and fouls.