Montana StatutesCHAPTER 3. SERVICE OF PROCESS AND OTHER PAPERSPart 1. General Provisions25-3-101. Definitions.25-3-102. through reserved.25-3-105. Person serving process -- penalty for obstruction -- exception.Part 2. Service by an Officer25-3-201. Delivery of papers to officer.25-3-202. When officer's execution of process justified and required.25-3-203. Prepayment of cost of service.25-3-204. Officer to exhibit process.25-3-205. Execution of process when sheriff a party.25-3-206. Execution by elisor.Part 3. Return of Service25-3-301. Time and manner of return.25-3-302. Return prima facie evidence.Part 4. Service of Papers After Defendant's Appearance25-3-401. Notice requirements after appearance of defendant.25-3-402. Persons to be served.Part 5. Alternative Methods of Service25-3-501. Service of telegraphic or telephonic copy.25-3-502. Publication to be once a week.25-3-503. What suffices as once a week.25-3-504. Designating unknown persons as defendants.25-3-505. Effect of service by publication upon unknown persons.Part 6. Service on Secretary of State -- Nonresident Motorists25-3-601. Conditional granting of use of highways to nonresidents.25-3-602. Operation of vehicle considered consent to service on secretary of state.25-3-603. Operation of vehicle by agent.25-3-604. Secretary of state's record of process served.