http://www.npa.go.jp/policies/application/license_renewal/pdf/english.pdfArchivado el 17 de agosto de 2017 en Wayback Machine. The breath alcohol concentration limit for driving in Japan is 0.15 mg/l, which, assuming a breath alcohol to blood alcohol ratio of 1:2,100, is roughly equivalent to a BAC of 0.0315%. The penalties become even more severe at 0.25 mg/l, which is roughly equivalent to a BAC of 0.0525%.
http://www.npa.go.jp/policies/application/license_renewal/pdf/english.pdfArchivado el 17 de agosto de 2017 en Wayback Machine. The breath alcohol concentration limit for driving in Japan is 0.15 mg/l, which, assuming a breath alcohol to blood alcohol ratio of 1:2,100, is roughly equivalent to a BAC of 0.0315%. The penalties become even more severe at 0.25 mg/l, which is roughly equivalent to a BAC of 0.0525%.