Yankton Sioux Tribe

Welcome to the Yankton Sioux Tribal (YST) Sex Offender Registry. The Yankton Sioux Tribe adopted the YST Sex Offender Registry and Notification Code as Title XVI, Section 16.1 of the YST Law and Order Code through a referendum vote held on October 10, 2012. The purpose of this Code is to protect the Tribal members, residents, students, employees and visitors of the Yankton Sioux Reservation.