Green-Reading Material Resources Green-Reading Material Infographic This graphic shows how and when a yardage or green book may be used. (This graphic has been updated for the 2023 Rules.) Frequently Asked Questions Answers in simple language to the most common questions related to green-reading materials. Text of Clarification 4.3a/1 Click here to read the text of Clarification 4.3a/1 relating to the use of green-reading materials. Green-Reading Template Purchase a clear plastic template that can be laid over a page to check the size and scale of a putting green map. Additional Information on MLR G-11 This page provides a video, an additional guidance document, and the text of optional Model Local Rule G-11. Additional Information on MLR G-12 This page provides a video, an infographic, an additional guidance document, and the text of optional Model Local Rule G-12.