; or (ii) notify the court that the Government declines to take over the action, in which case the person bringing the action shall have the right to conduct the action. (3) No intervention or related actions by other parties When a person brings an action under this subsection, no person other than the Government may intervene or bring a related action based on the facts underlying the pending action. (b) Rights of the parties to qui tam actions (1) Government prosecution If the Government proceeds with an action under subsection (a)— (A) the Government— (i) shall have the sole responsibility for prosecuting the action, subject to paragraph (2); and (ii) shall not be bound by an act of the person bringing the action