Rule 23.3.978 - MODIFICATION TO A CERTIFIED IID(1) A certificate holder must immediately notify the Motor Vehicle Division, in writing, of any material modification to a certified IID. A material modification is any addition or reduction in features, software version changes, configuration profile changes, or alteration in the components and/or the design of the certified IID.(2) A manufacturer must resubmit evidence of compliance as required by the Administrative Rules of Montana to the Motor Vehicle Division within thirty days of notifying the Motor Vehicle Division of a material modification.(3) The Motor Vehicle Division will determine if the device must be submitted for recertification. NEW, 2017 MAR p. 896, Eff. 6/24/2017; AMD, 2023 MAR p. 411, Eff. 4/29/2023AUTH: 61-8-1025, MCA; IMP: 61-8-1025, MCA