Section 34060.5 Of Article 4. Enforcement From California Vehicle Code >> Division 14.7. >> Article 4.

. Any required pressure, vacuum, or hydrostatic testing of a cargo tank shall be performed, or be caused to be performed, by the carrier, operator, or consultant who shall certify in writing that the cargo tank meets the requirements of the United States Department of Transportation, the State Air Resources Board, and the commissioner. An authorized representative of the department may observe or require these tests. Records of these certifications shall be maintained at the carrier's place of business.