Section 31 (1) (b)
substitute
(b) the person, without reasonable excuse, engages in conduct that—
(i) exposes an individual to whom the duty is owed to a risk of death or serious injury or illness; or
(ii) if the person is an officer of a person conducting a business or undertaking—exposes an individual, to whom the person conducting a business or undertaking owes a health and safety duty, to a risk of death or serious injury or illness; and