Utah Code Title 59. Revenue and Taxation § 59-2-1323. Undivided interests in real estate--Interest of delinquent co-owner only to be sold

(1) The county treasurer shall issue a receipt showing the interest on which taxes or tax notice charges are paid to any person paying taxes on an undivided interest in real estate.

(2) If any portion of the taxes or tax notice charges on the real estate remain unpaid, it is the duty of the treasurer to sell only the undivided interest in the real estate which belongs to the co-owners who have not paid their portion of the tax.