The finder of a thing may, in good faith, before giving it up, require reasonable proof of ownership from any person claiming it. Source: CivC 1877, § 1066; CL 1887, § 3690; RCivC 1903, § 1386; RC 1919, § 1009; SDC 1939, § 60.0203.
Claimant to prove ownership
SDCL § 43-41-5 — under LOST AND FOUND PROPERTY.
SDCL § 43-41-5