When is the Intoxilyzer 9000 approved for use?

The Intoxilyzer 9000 is approved for use after January 1, 2013, which means that any tests conducted with this device on or after this date are valid and officially recognized. This approval is significant as it aligns with updates in technology and methods of measuring blood alcohol content, ensuring that the device meets current standards for accuracy and reliability in testing.

Understanding the timing of the device's approval is important for legal and procedural contexts, as it directly impacts the admissibility of testing results in court. Tests conducted before this date are not recognized as accurate or reliable due to the advancements made thereafter. Therefore, the correct answer reflects the timeframe during which the Intoxilyzer 9000 became a legally acceptable tool for measuring intoxication levels.