254.This section gives interpretations for the terms used in this Part. Amongst other things, it gives an interpretation for “surveillance” and clarifies that this does not include references to:
	the use of a recording device by a covert human intelligence source to record any information obtained in the presence of the source (subsection (3)(a) and (b));
	activity involving interference with property or wireless telegraphy which requires authorisation or warrant under section 5 of the Intelligence Services Act 1994 or Part III of the Police Act 1997 (subsection (3)(c).
Other Authorisations Supplemental provision for Part II Section 48: Interpretation of Part II