Additional Rules ResourcesThe following documents, papers, infographics, and other resources provide further explanation of golf's new Rules. Rules Documents Papers Infographics Miscellaneous Downloadable Resources Rules Documents 2019 USGA Hard Card Local Rules and Terms of the Competition (Hard Card) for 2019 USGA Championships. Rules Clarifications A list of Clarifications made to the Rules of Golf that took effect on January 1, 2019. New Limits to Green-Reading Materials New limits to green-reading materials that took effect on January 1, 2019. TIO Explanatory Diagrams These diagrams help to explain relief from Temporary Immovable Obstructions (TIOs), which are covered by Model Local Rule F-23 in the Official Guide to the Rules of Golf. Mapping of Decisions to 2019 Rules of Golf This helpful chart shows where all of the 2016 Decisions can be found in the 2019 Rules of Golf. Papers Watch and Read: Overview of the Biggest Rules Overhaul Since 1984 This paper gives a detailed look at all that went into the Rules Modernization process. Explanation for Each Major Change in the Rules of Golf for 2019 This paper gives you a detailed look at each major change, including the reasons behind why they have been made. Certain Topics or Proposals Not Addressed in Golf's New Rules for 2019 Learn more about a number of suggestions that were considered, and why they were not included in the new Rules. A Brief History of Revisions to the Rules of Golf: 1744 to Present This paper details the continuous evolution of the Rules that has occurred for nearly three centuries, and which is part of the game's tradition. A Revised Approach to Writing and Presenting the New Rules for 2019 A major objective of the Rules Modernization initiative was to make the Rules easier to understand and apply, and this paper explains how we've done that through the new writing style and format. Infographics 5 Key Changes to the Rules Stroke and Distance: New Local Rule Golf's New Rules: At Your Fingertips Anchoring the Club Distance-Measuring Devices (DMDs) Double Hits Miscellaneous Rules Articles and Videos Archive Explore our archive of articles written by USGA Rules staff as well as recordings of our monthly Rules Live show. Golf's New Rules: FAQs Frequently asked questions about all aspects of golf's new Rules. Official Announcement from March 12, 2018 Read the full text of the joint announcement made by the USGA and The R&A on March 12, 2018, regarding golf's new Rules. Major Changes in the New Rules of Golf for 2019 This chart identifies the changes expected to have the most impact on the game and to be of most interest to golfers and those who follow the game. Downloadable Resources Click here to access downloadable versions of our papers, charts, and infographics.