(1) Subject to an exemption under section 37, this Ordinance only applies to-
(a) an officer who is appointed or re-appointed to service under the Government on or after 1 July 1987, whether on transfer from other public service or otherwise, on terms which attract pension benefits under this Ordinance;
(b) an officer whose application under section 9 is approved;
(c) a person who has exercised an option under section 10; and
(d) an officer or person who, under section 11, is deemed to have applied under section 9 or exercised an option under section 10.
(2) A person shall not derive any pension, gratuity or other allowance under the Pensions Ordinance (Cap 89) and pension benefits under the Pension Benefits Ordinance (Cap 99) and this Ordinance in respect of the same period of service.