(a) The laboratory shall conduct an internal audit at least once per year or in accordance with the ISO/IEC 17025 accrediting body’s requirement, whichever is more frequent. (b) The internal audit must include all of the components required by the ISO/IEC 17025 internal-audit standards. (c) Within 3 business days of completing the internal audit, the laboratory shall submit the results of the internal audit to the Bureau. Authority: Section 26013, Business and Professions Code. Reference: Sections 26100 and 26104, Business and Professions Code.