No information obtained from a person under this subchapter or retained by a person in order to comply with any section of this subchapter, shall be used as evidence against such person in any criminal proceeding with respect to a violation of this unit, occurring prior to or concurrently with the filing of the information required by this subchapter; provided, that this section shall not apply to any violation of § 22-2402, or § 7-2507.04.
D.C. Code § 7-2502.11