N.Y. Criminal Procedure Law § 705.30: Nondisclosure of existence of pen register or a trap and trace device

§ 705.30 Nondisclosure of existence of pen register or a trap and trace

device.

An order authorizing or approving the installation and use of a pen

register or a trap and trace device shall direct that:

1. the order be sealed until otherwise ordered by the court; and

2. the person owning or leasing the line to which the pen register or

a trap and trace device is attached, or who has been ordered by the

court to provide assistance to the applicant, not disclose the existence

of the pen register or trap and trace device or the existence of the

investigation to the listed subscriber, or to any other person, unless

or until otherwise ordered by the court.