S.D. Codified Laws § 32-9-3.1
Any motor vehicle or trailer owned and operated by a resident or a nonresident engaged in the harvest of agricultural products may be operated upon the highways, roads, and streets of this state upon payment of a seventy-five dollar fee. Payment of the fee is evidenced by a permit provided by the department affixed in a conspicuous place on the vehicle as the department may require.
Each permit, which is valid for a calendar year, must be purchased from the county treasurer of any county through which the owner or operator may travel, or from an agent, patrol officer, motor carrier enforcement officer, or motor carrier inspector of the Department of Public Safety. If the applicant requests that the permit be mailed, the applicant must pay one dollar and fifty cents per permit sent to the owner through the mail. All fees collected shall be handled, accounted for, and distributed in the same manner as the other fees provided for in this chapter. A violation of this section is a Class 2 misdemeanor.
SDCL 32-9-3.1