No person shall fill any order for a lubricating oil or gasoline designated by a trade - mark or distinctive trade name for an automobile or other internal combustion engine with a substitute oil or gasoline. Source: SDC 1939, § 22.1601; SDCL, § 39-21-19; SL 1977, ch 190 , § 432.
Substitution of spurious product for trade name product prohibited
SDCL § 37-2-10 — under PETROLEUM PRODUCTS.
SDCL § 37-2-10