Idaho Code § 25-150: Regulation of public sale yards and public auction sales.

For the purpose of preventing the spread of contagious, infectious or communicable diseases among sheep the board is hereby empowered to make reasonable rules and regulations with regard to the handling of sheep in or at public sale yards and public auction sales where sheep are generally sold and shall have the power and authority to prevent the sales of sheep at such public sale yards or public auction sales unless said rules and regulations shall be complied with.