S.D. Codified Laws § 43-32-24.1
For the purposes of this section, the term, commercial premises, means any real property for lease that does not consist of residential property, agricultural land, or any quantity of municipal lots. A lessor of commercial premises shall, within sixty days after the termination of the tenancy and receipt of the tenant's mailing address or delivery instructions, return any security deposit to the tenant, or furnish to the tenant, a written statement showing the specific reason for the withholding of the deposit or any portion thereof. The lessor may withhold from the deposit only the amounts reasonably necessary to remedy tenant defaults in the payment of rent or of other funds due to the landlord pursuant to an agreement or to restore the premises to their condition at the commencement of the tenancy, ordinary wear and tear excepted. Within ninety days after termination of the tenancy, upon request of the lessee, the lessor shall provide the lessee with an itemized accounting of any deposit withheld.
Any lessor of a commercial premises who fails to comply with this section shall forfeit all rights to withhold any portion of the deposit.
The bad faith retention of a deposit or any portion of a deposit by a lessor of commercial premises in violation of this section, including failure to provide the written statement and itemized accounting required by this section, shall subject the lessor to punitive damages not to exceed two hundred dollars.
SDCL 43-32-24.1