Versions of s. 320.31(1)

If samples of a person’s breath have been received into an approved instrument operated by a qualified technician, the results of the analyses of the samples are conclusive proof of the person’s blood alcohol concentration at the time when the analyses were made if the results of the analyses are the same — or, if the results of the analyses are different, the lowest of the results is conclusive proof of the person’s blood alcohol concentration at the time when the analyses were made — if