All sexually intact cattle must be officially identified
All rodeo, exhibition or event cattle (including steers) must be officially identified.
A backtag will still work as an ID for animals going direct to slaughter. An ICVI isn't required for animals going direct to slaughter
National Uniform Eartag System tags starting with state code and nine-digit alphanumerics are acceptable. Brands are acceptable only if the state of origin and the state of destination approve and have an agreement.
At this time, beef cattle under 18 months of age are exempt from USDA's official ID requirement, unless moved interstate for shows, exhibitions, rodeos or recreational events. Traceability requirements for this group will be addressed in separate rulemaking.
Livestock moving interstate directly to slaughter at an approved livestock slaughter facility are exempt. That includes those moving to custom slaughter facilities or an auction market, tagging site or buying station, then to slaughter.
Chicks moved interstate from a hatchery also are exempt from official ID requirements.
For more details, click on aphis.usda.gove/traceability .