Miss. Code § 75-55-29
The State Chemist at the Mississippi State University or his assistants provided for herein shall analyze all samples of internal combustion engine fuels, lubricating oils and other like products provided by any person desiring an analysis of said product or provided by the Mississippi Department of Agriculture and Commerce after an inspection. Any person desiring an analysis of a sample of internal combustion engine fuel, lubricating oil or similar products shall pay to the State Chemist the actual cost of such analysis. All funds collected by the State Chemist under the provisions of this chapter shall be paid into a special account to the credit of the Industrial and Agricultural Services Division of the Mississippi State Chemical Laboratory. The cost of analysis of those samples taken by the Mississippi Department of Agriculture and Commerce shall be paid for out of the General Fund, upon appropriation by the Legislature. The certification of such analysis properly certified by affidavit of said chemist or his assistants shall be competent evidence in any court of this state.
Miss. Code § 75-55-29