(A) Number of Jurors. Except as provided in this rule, a jury that decides a case must consist of 12 jurors. At any time before a verdict is returned, the parties may stipulate with the court’s consent to have the case decided by a jury consisting of a specified number of jurors less than 12. On being informed of the parties’ willingness to stipulate, the court must personally advise the defendant of the right to have the case decided by a jury consisting of 12 jurors. By addressing the defendant personally, the court must ascertain that the defendant understands the right and that the defendant voluntarily chooses to give up that right as provided in the stipulation. If the court finds that the requirements for a valid waiver have been satisfied, the court may accept the stipulation. Even if the requirements for a valid waiver have been satisfied, the court may, in the interest of justice, refuse to accept a stipulation, but it must state its reasons for doing so on the record. The stipulation and procedure described in this subrule must take place in open court and a verbatim record must be made.

(B) Unanimous Verdicts. A jury verdict must be unanimous.