S.D. Codified Laws § 40-19-23
All expenses for salary of employees, per diem and traveling expenses of members of the board, books, records, files, and office equipment necessary for the maintenance of a permanent system of brand registration, rerecording, and renewals as provided for in this chapter, and the execution and enforcement of the provisions of chapters 40-18 to 40-22, inclusive, and chapter 40-29 shall be allowed upon vouchers approved by the board and warrants issued therefor by the state auditor, and paid out of the brand fund by the state treasurer.
The expenses referred to in this section include the expense of printing brand books and supplements sold for a price to be fixed by the board at not less than cost. The receipts from such sales shall be paid to the state treasurer and shall be deposited in the brand fund.
SDCL 40-19-23