S.D. Codified Laws § 20-13-23.2
Any person who is totally or partially physically disabled, totally or partially blind, totally or partially deaf, or has a psychiatric disability or mental disability may be accompanied by a service animal, especially trained for the purpose, in any of the places listed in § 20-13-23.1 without being required to pay an extra charge for the service animal.
A service animal trainer may be accompanied by a service animal in training wearing a collar and leash, harness, or cape that identifies the animal as a service animal in training, in any of the places listed in § 20-13-23.1 subject to any conditions and limitations established by law and applicable to service animals, without being required to pay an extra charge for the service animal in training.
However, the person with a disability or a service animal trainer is liable for any damage done to the premises or facilities by the service animal or service animal in training. Failure of any owner or employee of a place listed in § 20-13-23.1 to comply with the provisions of this section is a Class 2 misdemeanor.
SDCL 20-13-23.2