(1) A Scheme member who has completed less than the vesting period who retires or is retired or discharged on medical grounds in accordance with the conditions laid down in subsection (3) or to whom subsection (10) applies, as the case may be, shall be eligible to receive a gratuity of 8.5 per cent of actual pensionable remuneration during the period of service.

(2) A Scheme member who has completed the vesting period and retires or is retired or discharged on medical grounds in accordance with the conditions laid down in subsection (3) or to whom subsection (10) applies, as the case may be, shall be eligible to receive retirement benefits calculated without actuarial reduction.

(3) Where a Scheme member retires or is retired on medical grounds, a benefit under subsection (1) or (2), as the case may be, shall only be paid where the following conditions are met:

(a) medical evidence shall have been supplied which satisfies the relevant authority that -

(i) the Scheme member has a current ongoing medically recognised physical or mental health condition that is likely to be permanent and enduring,