(1) Any labor organization or group of employees may file a petition to intervene within 20 days of the first day of posting of the notice of decertification proceedings in accordance with ARM 24.26.646.

(2) The board shall serve a copy of the petition to intervene upon all other parties.

History: 39-32-103, MCA; IMP, 39-32-113, MCA; NEW, 1979 MAR p. 1492, Eff. 11/30/79; AMD, 2010 MAR p. 2841, Eff. 12/10/10.