2.—(1) The Interpretation Act (Northern Ireland)[1954 c. 33 (N.I.)] 1954 shall apply to Article 1 and the following provisions of this Order as it applies to a Measure of the Northern Ireland Assembly.
(2) In this Order—
“the appropriate authority” means—
in relation to a senior officer, the Police Authority;
in relation to any other member of the police force, the Chief Constable;
“the Commission” means the Independent Commission for Police Complaints for Northern Ireland established by Article 3;
“complaint” means any complaint about the conduct of a member of the police force which is submitted by, or on behalf of, a member of the public;
“complainant” means the person by or on behalf of whom a complaint is submitted;
“the principal Act” means the Police Act (Northern Ireland)[1970 c. 9 (N.I.)] 1970.
(3) Any word or expression given a meaning for the purposes of the principal Act has the same meaning in this Order as in that Act.