The Commonwealth Work Health and Safety Act 2011 Places on Employers

The Commonwealth Work Health and Safety Act 2011 places on employers a duty of care to ensure, so far as is reasonably practicable, the health, safety and welfare of which types of workers?

A) Their employees
B) Their employees and self-employed people who are on their premises
C) Their employees and self-employed people and contractors who are on their premises
D) Their employees and self-employed people, contractors and voluntary workers who are on their premises
E) Their employees and all other people on their premises