Section R. 325.2657a - Techniques and Procedures - Preliminary Breath Test InstrumentsRule 7a.
(1) A procedure that is used in conjunction with preliminary breath alcohol analysis must be approved by the department and comply with all of the following: (a) Except as provided otherwise in these rules, preliminary breath alcohol test instruments must only be operated by appropriate class operators who have been certified in accordance with R 325.2658.(b) An individual may be administered a preliminary breath alcohol analysis on a preliminary breath alcohol test instrument only after the operator determines that the individual has not smoked, regurgitated, or placed anything in his or her mouth for not less than 15 minutes.(c) Records must be maintained at the preliminary breath alcohol test instrument location as prescribed by the department and copies must be forwarded to the department as required.(2) An individual's welfare must be protected by requesting medical assistance if the result of the evidential or preliminary breath alcohol analysis is 0.35 or more. Failure to request medical assistance does not affect the validity or evidential value of the result of an evidential or preliminary breath alcohol analysis.Mich. Admin. Code R. 325.2657a