(815 ILCS 115/0.01) (from Ch. 17, par. 605.9)
    Sec. 0.01. Short title. This Act may be cited as the Actions to Enforce Payment Act.
(Source: P.A. 86-1324.)

    (815 ILCS 115/2) (from Ch. 17, par. 606)
    Sec. 2. Persons severally liable upon bills of exchange or promissory notes, payable in money, may all or any of them severally be included in the same suit at the option of the plaintiff, and judgment rendered in said suit shall be without prejudice to the rights of the several defendants as between themselves.
(Source: Laws 1895, p. 262.)

    (815 ILCS 115/3) (from Ch. 17, par. 607)
    Sec. 3. In any suit mentioned in the preceding section a separate judgment may be entered by default against any defendant or defendants severally liable who have been duly served with summons, and against whom the plaintiff would have been entitled to judgment had the suit been against such defendant or defendants only. The suit shall thereby be severed, and shall proceed to trial against the other party or parties in the same manner as if it had been commenced against such other party or parties only, and if the plaintiff recover, judgment shall be entered against such one or more of the defendants as are found liable to him, but in no event shall the plaintiff be entitled to more than one satisfaction.
(Source: Laws 1895, p. 262.)

    (815 ILCS 115/4) (from Ch. 17, par. 608)
    Sec. 4. Whenever the drawer or endorser of an accepted bill of exchange or the endorser or guarantor of a promissory note shall have been joined with the acceptor of the bill or the maker of the note in an action to enforce the collection thereof, and judgment has been entered against such drawer, endorser or guarantor who thereafter pays the same, the person so paying shall be entitled to have the judgment released as to him, but the same shall, at his option, stand and may be enforced under the order of the court against any other party thereto who remains liable to the party paying as upon the bill or note, for the reimbursement of the party so paying. If there is any contest as to such liability the court may order an issue to be made up between the contesting parties, which shall be summarily determined as the court may direct.
(Source: P.A. 84-546.)

    (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.)

    (815 ILCS 115/6)
    Sec. 6. Guarantor liability. When a guarantor has agreed in writing that the guarantor is not released by a judgement, settlement, release, or other discharge of indebtedness of the primary obligor, other guarantor, or third party liable on the indebtedness, then the judgment, settlement, release, or other discharge of indebtedness of the primary obligor, other guarantor, or third party liable on the indebtedness shall not release or limit the claim on the indebtedness, or cause the forfeiture, discharge, or extinction of the claim on the indebtedness, against the guarantor, provided that the plaintiff shall not be entitled to more than full satisfaction of his, her, or its claim.
(Source: P.A. 90-321, eff. 8-1-97.)