Soccer officials are required to report all red and yellow cards in games which they officiate. A username and password are required to report, if you don’t know your board’s username and password your assigner can provide it to you).
2019-20 rules changes are available at: https://www.nfhs.org/sports-resource-content/soccer-rules-changes-2019-20/
2019-20 Soccer Rules Changes Video - https://www.youtube.com/watch?v=y8lFb_CN_TM#action=share
2018 Tournament Packet