A constitutional corporation, so far as it employs, or usually employs, an individual.

The Commonwealth, so far as it employs, or usually employs, an individual.

A Commonwealth authority, so far as it employs, or usually employs, an individual.

A person who, in connection with constitutional trade or commerce, employs, or usually employs, an individual as:

A body corporate incorporated in a Territory, so far as that body employs, or usually employs, an individual.

A person who carries on an activity, whether of a commercial, governmental or otherwise, in a Territory in Australia, so far as that person employs, or usually employs, an individual in connection with the activity carried on in that Territory.