Part 1 of Schedule 1 to the Regulations amends the Migration Regulations to repeal the Temporary Work (Skilled) (Subclass 457) visa and introduce the new Temporary Skill Shortage (Subclass 482) visa. The Subclass 482 visa enables employers to access a temporary skilled overseas worker if an appropriately skilled Australian worker is unavailable. An overseas worker must be nominated by a sponsoring business and obtain a Subclass 482 visa before they can commence work in Australia. The Subclass 482 visa has three streams: