SDCL § 40-20-29: Inspection and certificate required for slaughter or processing of livestock commercially within inspection area--Misdemeanor--Out-of-state certificate--Exhibition on demand.

It is a Class 1 misdemeanor for any person to slaughter or process livestock commercially within the livestock ownership inspection area until the livestock have received an ownership inspection and the certificate of such inspection is filed and is made a part of that person's permanent records, or unless the person has the hide of each slaughtered carcass available for inspection. An ownership brand inspection certificate on livestock is valid for no longer than four days from the date of issue. Livestock arriving at slaughter destination later than four days from the date indicated on the inspection certificate shall be inspected and the fee collected. All certificates of ownership inspection shall, at any time upon demand, be displayed to any law enforcement officer or to the board.