634.15 Admission into evidence of certain certificates of analysis and blood sample reports.
Subdivision 1. Certificates of analysis; blood sample reports. In any hearing or trial of a criminal offense or petty misdemeanor or proceeding pursuant to section 169A.53, subdivision 3, the following reports shall be admissible in evidence:
(a) A report of the facts and results of a laboratory analysis or examination if it is prepared and attested by the person performing the laboratory analysis or examination in any laboratory operated by the bureau of criminal apprehension or authorized by the bureau to conduct an analysis or examination, or in any laboratory of the federal bureau of investigation, the federal postal inspection service, the federal bureau of alcohol, tobacco and firearms, or the federal drug enforcement administration; and
(b) A report of a blood sample withdrawn under the implied consent law if:
(i) The report was prepared by the person who administered the test;
(ii) The person who withdrew the blood sample was competent to administer the test under section 169A.51, subdivision 7; and
(iii) The report was prepared consistent with any applicable rules promulgated by the commissioner of public safety.
A report described in clause (a) purported to be signed by the person performing the analysis or examination in a laboratory named in that clause, or a blood sample report described in clause (b) purported to be signed by the person who withdrew the blood sample shall be admissible as evidence without proof of the seal, signature or official character of the person whose name is signed to it. The signature in clause (a) or (b) can be written or in electronic format.
Subd. 2. Testimony at trial. Except in civil proceedings, including proceedings under section 169A.53, an accused person or the accused person's attorney may request, by notifying the prosecuting attorney at least ten days before the trial, that the following persons testify in person at the trial on behalf of the state:
(a) A person who performed the laboratory analysis or examination for the report described in subdivision 1, clause (a); or
(b) A person who prepared the blood sample report described in subdivision 1, clause (b).
If a petitioner in a proceeding under section 169A.53 subpoenas a person described in paragraph (a) or (b) to testify at the proceeding, the petitioner is not required to pay the person witness fees under section 357.22 in excess of $100.