S.D. Codified Laws § 22-24B-12.2
Any person who is required to register as a sex offender pursuant to the provisions of this chapter and who intends to move to a different location or residence address outside of the state, shall inform the law enforcement agency where the person last registered of the person's new location or address, in person pursuant to the provisions of § 22-24B-2, not less than three business days prior to leaving the state. The law enforcement agency shall, within three days of the receipt of the person's information under this section, forward the information to the Division of Criminal Investigation and to the law enforcement agency having jurisdiction over the person's new location or residence. A failure to register pursuant to this section is a Class 6 felony for a first offense. Any second or subsequent violation of the provisions of this section is a Class 5 felony.
SDCL 22-24B-12.2