(2) Only service under the Government shall be taken
into account as qualifying service in respect of an
officer, other than an officer who is transferred to or
from service under the Government from or to other public
service.
(3) No period which is not qualifying service shall
be taken into account as pensionable service.
(4) No period during which an officer was not in the
public service shall be taken into account as qualifying
service and pensionable service.