SB 158 - This act abrogates the holdings of Stiers v. Dir. of Revenue, No. SC4840 (Mo. Jan. 12, 2016) and Stiers v. Dir. of Revenue, ED 101407, 2015 WL 343310 (Mo. App. E.D. Jan. 27, 2015). This act requires admission of relevant chemical analysis of a person's breath in proceedings for any criminal offense or violations of county or municipal ordinances or license suspension or revocation proceedings arising out of acts occurring between December 30, 2012, and April 4, 2014, relating to the operation of a vehicle, vessel, or aircraft while in an intoxicated condition or with an excessive blood alcohol content so long as the evidence meets certain conditions outlined in the act. This act deems the provision to be a procedural rule and applicable to all proceedings in progress whether commenced before or after the enactment of the act. This act contains an emergency clause. This act is substantially similar to HB 35 (2017), a provision of SCS/HB 1 (2017), and a provision of CCS/SCS#2/SB 128, and is identical to SB 1014 (2016) and HB 2627 (2016). JOHN GRANA