N.Y. Comp. Codes R. & Regs. tit. 13, § 400.4 – Qui tam actions.

(a) All qui tam actions shall be served on the Attorney General by the personal delivery of the qui tam complaint and accompanying evidence to a person designated to receive service at the Managing Clerk's Office at 28 Liberty Street, New York, NY 10005, unless otherwise authorized by the Attorney General.
(b) A local government, having been authorized by the Attorney General to supersede or intervene in a qui tam action on its own behalf pursuant to section 190(2) of the False Claims Act, shall cooperate with the Attorney General in any subsequent investigation related to the action.
(c) If the State or a local government does not intervene or supersede after the 60 day time period or any extensions obtained under section 190(2)(b) of the False Claims Act, then the qui tam plaintiff has 30 days after such time period or extensions expire to decide whether to proceed with the action.
1. (1) If the qui tam plaintiff elects to proceed with the action, the qui tam plaintiff shall so advise the court, the State, and applicable local governments, and cause the complaint to be unsealed. After the complaint is unsealed, the qui tam plaintiff shall serve the complaint on any defendant pursuant to the provisions of the Civil Practice Law and Rules and other applicable law.
2. (2) If the qui tam plaintiff elects not to proceed with the action, the qui tam plaintiff shall either:
  1. (i) voluntarily discontinue the action, without an order and without unsealing the action, by filing with the court a notice of discontinuance and serving a copy of this notice on the Attorney General, who may in the Attorney General's discretion make an in camera motion to unseal the complaint; or
  2. (ii) seek to voluntarily discontinue the action by order of court by making an in camera motion to unseal the complaint and dismiss the action.
(d) If the State or a local government decides not to intervene or supersede in a qui tam action, the qui tam plaintiff may not pursue the qui tam action on a pro se basis unless the qui tam plaintiff is an attorney eligible to represent a party before the court in which the qui tam action is proceeding.