The National Livestock Identification System (NLIS) is Australia's system for the identification and traceability of cattle, sheep and goats.
All animals are identified with an accredited NLIS tag or device from their property (PIC) of birth. As animals are bought, sold and moved along the supply chain, each movement is recorded centrally on the NLIS database. Using this information, the NLIS is able to provide a life history of an animal's movements.