s 181 Acquiring control
(1) For the purposes of this Part, a person (“A”) acquires control over a UK authorised person (“B”) if any of the cases in subsection (2) begin to apply. (2) The cases are where A holds— (a) 10% or more of the shares in B or in a parent undertaking of B (“P”); (b) 10% or more of the voting power in B or P; or (c) shares or voting power in B or P as a result of which A is able to exercise significant influence over the management of B.