Those purposes are. (a) the exercise of a function conferred on a person by an enactment or rule of law; Preventing or detecting unlawful acts
10(1) This condition is met if the processing—
(a) is necessary for the purposes of the prevention or detection of an unlawful act,
(b) must be carried out without the consent of the data subject so as not to prejudice those purposes, and (c)is necessary for reasons of substantial public interest.
(a) the processing of personal data revealing racial or ethnic origin, political opinions, religious or philosophical beliefs or trade union membership;
(b) the processing of genetic data, or of biometric data, for the purpose of uniquely identifying an individual;
(c) the processing of data concerning health;
(d) the processing of data concerning an individual’s sex life or sexual orientation. The additional requirements are given in Section 35(4) and (5). Both require an appropriate policy document, and this document will form part of the policy for such processing, although competent authorities will need to satisfy themselves their own internal policy documents fully cover such use.