The new rule moves USDA official identification for bison, beef and dairy cattle to exclusively EID tags that can be read both visually and electronically starting in November 2024 and moves the USDA official identification tags from the metal option to EID tags. The classes of cattle requiring official identification have not changed and does not require the mandatory tagging of all cattle.
Source: BEEF, May 20, 2024. Link.
Animal disease traceability does not prevent disease introduction, but does allow expedited emergency response during an animal disease outbreak.”