The 20th edition of 2021 & 2022 NIRSA Flag & Touch Football Rules Book & Officials’ Manual is a pocket-sized resource which includes the latest rules and mechanics officials need to officiate flag and touch football games. Rules which have changed since the previous edition are highlighted, making it easy for readers to locate the latest updates. Its pocket-size also makes it convenient for coaches, officials, instructors and fans to consult at flag and touch football games. In addition to updates on rules, the manual also summarises fouls and penalties, youth football rules and 4 on 4 football rules. The NIRSA Flag Football Editorial Board is made up of numerous professionals and students who are responsible for implementing intramural programs for their participants. They work day-to-day with the intricacies of implementing a flag football program and are able to keep all the training materials up to date and relevant.