There is no such thing as "Rule 11 stage."
Rule 11 simply says that agreement between attorneys or parties made outside of open court must be it be in writing, signed by both parties, and filed with the court to be enforceable. A Rule 11 agreement could be about anything relate to the case.
Rule 11 simply says that agreement between attorneys or parties made outside of open court must be it be in writing, signed by both parties, and filed with the court to be enforceable. A Rule 11 agreement could be about anything relate to the case.