Wyo. Stat. § 11-20-106: Brands; sheep; districts created; recording thereof.

To increase the quantity of brands which can be effectively used for the identification of sheep, the executive officer of the board may, with the advice of the executive committee of the Wyoming wool growers association, promulgate and enforce rules and regulations necessary to divide the land area of Wyoming into districts. The districts shall be made a part of such brands and recorded in the state record as further identification of sheep.