South Dakota Codified Laws
Chapter 20B - Bicycle Regulation
Section 32-20B-1 - Identifying number required on bicycle sold at retail--Violation as misdemeanor.

32-20B-1. Identifying number required on bicycle sold at retail--Violation as misdemeanor.
A person engaged in the business of selling bicycles at retail may not sell any bicycle unless the bicycle has an identifying number permanently stamped or cast on its frame. A violation of this section is a Class 2 misdemeanor.

Source: SL 1982, ch 226, ยง7.