2005 Arizona Revised Statutes - Revised Statutes §42-18114  Successful purchaser

A real property tax lien shall be sold pursuant to this article to the person who pays the whole amount of delinquent taxes, interest, penalties and charges due on the property, and who in addition offers to accept the lowest rate of interest on the amount so paid to redeem the property from the sale, which may not exceed the rate prescribed by, and computed pursuant to, section 42-18053.