Rule 4.4 - Respect for Rights of Third Persons(a) 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) 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, and or sender's lawyer if sender is represented.SDCL app TO CHAPTER 16-18 r. 4.4
SL 2004, ch 327 (Supreme Court Rule 03-26), eff. Jan. 1, 2004; SL 2018, ch 297 (Supreme 06), eff. July 1, 2018.