(a) the processing by an intelligence service of personal data wholly or partly by automated means, and
(b) the processing by an intelligence service otherwise than by automated means of personal data which forms part of a filing system or is intended to form part of a filing system.
(2) In this Part, "intelligence service" means -(a) the Security Service;(b) the Secret Intelligence Service;(c) the Government Communications Headquarters.
(3) A reference in this Part to the processing of personal data is to processing to which this Part applies.