(1) If an employee suffers an injury that results in his or her death, incapacity for work, or impairment, compensation is payable for the injury.
(2) Compensation is not payable for an intentionally self - inflicted injury.
(3) Compensation is not payable for an injury that is not intentionally self - inflicted but is caused by the serious and wilful misconduct of the employee, unless the injury results in death, or serious and permanent impairment.