What must be done if a firearm is lost or stolen in South Dakota?

If a firearm is lost or stolen in South Dakota, it is essential to report it to the local police within 48 hours. This requirement helps in ensuring that the authorities are informed promptly, which can aid in the recovery of the lost or stolen firearm and prevent its misuse. Reporting to the local police also serves to fulfill the legal obligation of responsible gun ownership and helps in preventing potential criminal activities involving the firearm. The other options are incorrect as they do not align with the standard protocol of reporting such incidents to the local authorities within the specified timeline.