New York Laws
Article 705 - Pen Registers and Trap and Trace Devices
705.30 - Nondisclosure of Existence of Pen Register or a Trap and Trace Device.

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.

Structure New York Laws