(1) Any responsive pleadings such as an answer or reply shall comply with the above rules relating to pleadings generally. An answer, if made, must be filed within 20 days, and a reply, if made, must be filed within 10 days, after the service of the pleading against which it is directed, unless otherwise provided in these rules or ordered by the commission: Provided, this rule shall not apply to proceedings brought on the commission's own motion for violation of the laws, rules or regulations governing public utilities. Whenever the commission believes the public interest requires expedited procedure it may shorten the time required for any answer or reply.

History: 69-3-103, 69-2-101, 69-12-201(2) and 69-1-110(3), MCA; IMP, 69-2-101, MCA; NEW, 1977 MAR p. 1200, Eff. 12/24/77.