Mich. Comp. Laws § 750.434: Marking containers of naphtha and alcohol.

Sec. 434.

Marking containers of wood alcohol, etc.-Any person who shall sell, offer for sale, give away, deal in or supply, or have in his or her possession with intent to sell, offer for sale, give away, deal in or supply any methanol (otherwise known as wood naphtha, wood alcohol or methyl alcohol) or completely denatured alcohol, either crude or refined, unless the container in which the same is sold, offered for sale, given away, dealt in or supplied shall have lithographed or imprinted upon said container or upon a label pasted upon said container the following device and words, in bold characters in red color on white, viz.:

(Skull and cross-bones represented)

POISON

shall be guilty of a misdemeanor.