City of Seattle v. Allison

Three defendants who were charged with driving while intoxicated challenged the admission of BAC Verifier DataMaster II (DataMaster) breath-alcohol test results. The Seattle Municipal Court suppressed the breath test results in all three cases, holding that the information recorded on the breath test documents was insufficient to determine whether there was compliance with Washington Administrative Code (WAC) regulations. We hold that the breath test documents in these cases constitute prima facie evidence that the City of Seattle complied with former WAC 448-13-040 (1999) and thus satisfied…