Ind. Code § 35-46-9-15
(a) At a proceeding concerning an offense under this chapter, evidence of the alcohol concentration that was in the blood of the person charged with the offense;
(2) within the time allowed for testing under sections 9 and 10 of this chapter;
as shown by an analysis of the person's breath, blood, urine, or other bodily substance is admissible.
(b) If, in a prosecution for an offense under this chapter, evidence establishes that:
(2) the person charged with the offense had an alcohol concentration equivalent to at least eight-hundredths (0.08) gram of alcohol per:
(B) two hundred ten (210) liters of the person's breath;
the trier of fact shall presume that the person charged with the offense had an alcohol concentration equivalent to at least eight-hundredths
As added by P.L.40-2012, SEC.21.