(a) It is unlawful for any manufacturer or dealer of oils or substances, with intent to deceive or defraud, to alter or erase the inspector's brand, to indicate a different test, gravity, purity or quantity than is found by the inspector, or to use with such intent any container or package having any inspector's brand thereon, without having the contents actually inspected.
(b) A violation of this section is a Class C misdemeanor.