An import permit is a document that grants permission to bring goods or products into a country. It is like a license or certification that allows someone to legally import items from other places. Full definition
Like many countries, the Australian law states that all animals being brought into the country need a valid import permit, and must undergo health tests and checks by a certified local veterinarian. (petsmagazine.com.sg)
However, in order to this, you'll need a temporary vehicle import permit which you can get beforehand online, or immediately at the border. (thefreefinancialadvisor.com)
And, if you're planning to travel considerably farther than the Border Zone, approximately 12 miles beyond the U.S. border, you may need to provide a temporary import permit along with a security deposit for your vehicle. (freewayinsurance.com)