OBS_VALUE: As of March 2018, subclass 457 visa are replaced by the Temporary Skill Shortage visa. ISSs are eligible for both the Temporary Skill Shortage visa (subclass 482), and the Temporary Work (Short Stay Activity) visa programme (Subclass 400). No explicit mention of quotas in the Migration Regulation but both visa are granted to people that have specialist skills, knowledge or experience that is needed but cannot be found at the moment in Australia.