Rule 24.5.307 - THIRD-PARTY PRACTICE(1) The respondent may file a third-party petition with the court naming anyone not already a party to the action who may be liable to any named party for any or all of the claims asserted in the petition. (a) The third-party petitioner shall ensure that the third-party petition includes a short, plain statement of the third-party petitioner's contentions with regard to the third-party respondent's liability and may incorporate allegations of the petition and/or the response to the petition. (b) The third-party petitioner shall file the third-party petition in accordance with ARM 24.5.303 and ARM 24.5.320. (c) The third-party petitioner shall serve the third-party petition in accordance with ARM 24.5.303.(2) After filing a response to a petition, the respondent may only attempt to join a third party into a pending case through noticed motion in accordance with ARM 24.5.308 and ARM 24.5.320. (3) Within the time set forth in ARM 24.5.320, the third-party respondent shall serve upon all parties, and file with the court, a response that complies with ARM 24.5.302.NEW, 2000 MAR p. 1513, Eff. 6/16/00; AMD, 2002 MAR p. 93, Eff. 1/18/02; AMD, 2014 MAR p. 2829, Eff. 11/21/14; AMD, 2018 MAR p. 305, Eff. 2/10/2018AUTH: 2-4-201, 39-71-2401, 39-71-2901, 39-71-2903, 39-71-2905, MCA; IMP: 2-4-201, 39-71-2901, MCA