NR15-12 Sept. 11, 2015 All Existing Brands Must Re-register HONOLULU – Owners of livestock brands in Hawaii have until December 31, 2015 to re-register their brands with the Hawaii Department of Agriculture (HDOA) or risk losing their rights to their brands. Hawaii law requires owners of livestock in the state to register their brand to … Continue reading Livestock Brand Registration Deadline Dec. 31st