Just so everyone is aware, USEF passed the rule at their Mid Year Board meeting requiring all horses competing at USEF Events to be microchipped by December 1, 2025.
https://www.usef.org/forms-pubs/pLYvQH0aFqE/rule-changes-approved-by-board-of#page=36
Here are some other ones passed as well!
https://www.usef.org/media/press-releases/usef-board-of-directors-approves-rule-changes-at