Judges' Pensions Act 1968

for the purposes of the application of this Act to or in respect of a person who is, or has at any time been, a Judge, any period in which the person is or was authorised to make himself or herself unavailable to perform his or her duties as a Judge shall be deemed to be, or to have been, part of the period of the person’s service as a Judge; and

for the purposes of the application of this Act to or in respect of a person who holds, or has at any time held, an office or appointment by virtue of which this Act applies or applied to or in respect of the person as if the person were a Judge, any period in which the person is or was authorised to make himself or herself unavailable to perform his or her duties as the holder of that office or appointment shall be deemed to be, or to have been, part of the period of the person’s service in that office or appointment.