Notice of control shall contain a request for the CBB's approval for taking control over a licensed member or taking any action that may lead to control by submitting Form 2 and shall also contain such particulars and information and be accompanied by such documents as the CBB may specify. In the cases referred to in items (a) and (b) of rule MIR-6.1.1, the notice shall be made within 15 days from the date of control. In the case referred to in item (c) of rule MIR-6.1.1, the notice shall be made before taking any of the actions that would lead to control.