DWI Attorney Dallas - Questions

If a person agrees to take a breath test, how long after driving does the test result become invalid?

According to the case Mata v. State, any breath test 2 hours after the time of driving removes the possibility of accurate extrapolation. Without extrapolation the State cannot show what your alcohol concentration would have been at the time of driving.

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2828 N. Harwood, Suite 1950 Dallas, Texas 75201 | Office: 214.651.1121 | Mobile: 214.457.1668 | Fax: 214.953.1366