Nevada Revised Statutes Title 43. Public Safety; Vehicles; Watercraft § 488.470. Requirements for evidentiary test of breath to determine concentration of alcohol in breath; refusal or failure to submit to test

1. Except as otherwise provided in subsection 2, an evidentiary test of breath to determine the concentration of alcohol in a person's breath may be used to establish that concentration only if two consecutive samples of the person's breath are taken and:

2. If the person fails to provide the second or third consecutive sample, or to submit to the fourth evidentiary test, the results of the first test may be used alone as evidence of the concentration of alcohol in the person's breath. If for some other reason a second, third or fourth sample is not obtained, the results of the first test may be used with all other evidence presented to establish the concentration.

3. If a person refuses or otherwise fails to provide a second or third consecutive sample or submit to a fourth evidentiary test, such refusal or failure constitutes a failure to submit to a required evidentiary test as provided in NRS 488.460.