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.
The cases are where A holds—
10% or more of the shares in B or in a parent undertaking of B ("P");
10% or more of the voting power in B or P; or
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.