A social security benefit payable tax free to employees who either (a) suffered an accidental injury arising in the course of work; or (b) contracted a prescribed disease or prescribed injury while working. It is a no fault compensation scheme running parallel with any rights the injured party may have against his employer. Benefits include the industrial injuries disablement benefit payable for loss of capacity through an industrial accident or prescribed disease. Payments are based on the percentage disablement caused by the injury, e.g. 40 per cent disablement attracts £46.72 per week (2003).