(1) A company to which this Part applies may give a notice to a person under this section if it knows or has cause to believe that the person-
(a) knows the identity of someone who falls within subsection (2), or
(b) knows the identity of someone likely to have that knowledge.
(2) The persons who fall within this subsection are-
(a) a registrable person in relation to the company;
(b) a relevant legal entity in relation to the company;
(c) an entity which would be a relevant legal entity in relation to the company but for the fact that section 790C(6)(b) does not apply in respect of it.
(3) A company must give a notice under subsection (1) to a person ("a third party") if the company-
(a) knows or has cause to believe that a person is a registrable person or a registrable relevant legal entity in relation to the company ("a suspected PSC"),
(b) is under a duty to give the suspected PSC a notice under section 790D but does not have the information that it needs in order to contact them,
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