S.D. Codified Laws § 32-22-21.1
The Transportation Commission shall promulgate rules, pursuant to chapter 1-26, to provide for the issuance of single trip permits by the Division of Highway Patrol to allow a motor vehicle or motor vehicle combination to move to a public or private scale site for the purpose of determining whether a load is properly placed on the motor vehicle or motor vehicle combination. Upon reaching the scale site, as specified in the permit, if the motor vehicle or motor vehicle combination is not within the maximum limits set by §§ 32-22-16 and 32-22-21, the operator shall adjust the load within the weight limits set by §§ 32-22-16 and 32-22-21 before proceeding. The permit authorized by this section is void after leaving the scale site.
SDCL 32-22-21.1