4(1)Tax is not charged under section 148 on a payment or other benefit provided in pursuance of any such scheme or fund as was described in section 221(1) and (2) of the 1970 Act or as is described in section 596(1) (approved retirement benefits schemes, etc) in the following cases.
(2)The first case is where the payment or other benefit is by way of compensation for loss of employment, or for loss or diminution of emoluments, and the loss or diminution is due to ill-health.
(3)The second case is where the payment or other benefit is properly regarded as earned by past service.