Rule 16-404. Respect for rights of third persons.

A. Prohibited actions. In representing a client, a lawyer shall not use means that have no substantial purpose other than to embarrass, delay or burden a third person, or use methods of obtaining evidence that violate the legal rights of such a person. B. Inadvertently sent documents. A lawyer who receives a document or electronically stored information relating to the representation of the lawyer’s client and knows or reasonably should know that the document or electronically stored information was inadvertently sent shall promptly notify the sender.