(a) Upon the trial of any person charged with a violation of this chapter,
the results of any test or tests conducted on the person so charged
shall be admissible in evidence in a criminal proceeding.
(b) Failure of a law enforcement officer to request the administering
of a test or tests shall likewise be admissible in evidence in a criminal
proceeding.
[Acts 1969, ch. 292, § 3; 1970, ch. 427, § 4; T.C.A., §
59-1046; Acts 2005, ch. 483, §§ 3, 4.]