District of Columbia Code Division VIII. General Laws. § 50-2206.52a. Presence or testimony of person maintaining breath test instrument in a criminal proceeding.

(1) The criteria in § 50-2206.52(a) have been met;

(2) The record of a breath test is provided to the person, or his or her counsel, within 15 calendar days of arraignment or notice of appearance of counsel, whichever is later; and

(3) There are more than 30 calendar days between the date the breath test is provided to the person, or his or her counsel, and the trial date.

(b)(1) Notwithstanding subsection (a) of this section, a person may demand the presence of the persons responsible for maintaining the breath test instrument's proper operating condition to provide evidence in the government's case-in-chief by serving upon the government, in writing, his or her request for the live testimony of the persons responsible for maintaining the breath test instrument's proper operating condition no later than 15 calendar days before trial.

(2) A person's failure to file a timely request pursuant to paragraph (1) of this subsection shall constitute a waiver of the person's right to demand the presence of the persons responsible for maintaining the breath test instrument's proper operating condition to provide evidence in the government's case-in-chief.

(1) A breath test instrument operated by the Metropolitan Police Department that has been certified as accurate pursuant to § 5-1501.07; or

(2) A breath test instrument operated by other law enforcement agencies that has been certified as accurate by the persons designated by that agency to certify the accuracy of the instrument.