d

he is entitled for the day to an invalidity pension under section 15 or 16 of the Social Security Pensions Act 19755;

e

he is entitled for the day to an unemployability supplement under section 58 of the Social Security Act 19756;

f

he is entitled for the day to an unemployability allowance under—

i

article 18(1) of the Personal Injuries (Civilians) Scheme 19837, or

ii

article 18(1) of the Naval, Military and Air Forces etc. (Disablement and Death) Service Pensions Order 19838 (including that provision as applied, whether with or without modifications, by any other instrument).