Authorisations under section 5 of the 1994 Act or Part III of the 1997 Act should be sought wherever members of the intelligence services, the police, the services police, Serious and Organised Crime Agency (SOCA), Scottish Crime and Drug Enforcement Agency (SCDEA), HM Revenue and Customs (HMRC) or Office of Fair Trading (OFT), or persons acting on their behalf, conduct entry on, or interference with, property or with wireless telegraphy that would be otherwise unlawful.