(2) With Leave. — A party must obtain leave of court, and the court must

grant leave to the extent consistent with Rule 26(b)(1) and (2): (A) if the parties have not stipulated to the deposition and: (i) the deposition would result in more than 10 depositions being taken under this rule or Rule 30 by the plaintiffs, or by the defendants, or by the third-party defendants; (ii) the deponent has already been deposed in the case; or (iii) the party seeks to take a deposition before the time specified in Rule 26(d); or (B) if the deponent is confined in prison. (3) Service; Required Notice. — A party who wants to depose a person by written questions must serve them on every other party, with a notice stating, if known, the deponent’s name and address. If the name is unknown, the notice must provide a general description sufficient to identify the person or the particular class or group to which the person belongs. The notice must also state the name or descriptive title and the address of the officer before whom the deposition will be taken. (4) Questions Directed to an Organization. — A public or private corpo- 93 RULES OF CIVIL PROCEDURE