(815 ILCS 115/5) (from Ch. 17, par. 609)
    Sec. 5. In all suits on negotiable instruments where any of the defendants are jointly liable, and only one or more, but not all of them have been served with summons, if the plaintiff recover, judgment shall be entered in form against all the defendants so jointly liable, but so far only as that it may be enforced against the joint property of all and the separate property of the defendants served.
(Source: Laws 1895, p. 262.)