SDCL § 34-37-10.3: "No smoking" signs where fireworks sold--Smoking within fifty feet of location as misdemeanor.

At any location where consumer fireworks are being offered for sale, the licensee shall prominently post a sign in red letters not less than three inches in height that reads, "NO SMOKING WITHIN FIFTY FEET." A person is guilty of a Class 1 misdemeanor if the person smokes within fifty feet of a location under this section.