The current UK law – the Regulation of Investigatory Powers Act 2000 (RIPA) – authorises interception of communications not only where the persons concerned have consented to interception but also when the person intercepting the communications has ‘reasonable grounds for believing’ that consent to do so has been given.
Ühendkuningriigi kehtivate õigusnormidega (the Regulation of Investigatory Powers Act 2000 (RIPA)) lubatakse side pealtkuulamist nii juhul, kui asjaomased isikud on selleks nõusoleku andnud, kui ka siis, kui pealtkuulajal on „põhjust arvata”, et selline nõusolek on antud.