If an injured person's left arm or hand is the person's dominant limb, in working out the loss for the person—
(a) the loss of the person's left arm, left hand or fingers of left hand is to be compensated as if it is the loss of the person's right arm, right hand or fingers of right hand; and
(b) the loss of the person's right arm, right hand or fingers of right hand is to be compensated as if it is the loss of the person's left arm, left hand or fingers of left hand.