A.R.S. § 12-1284: Notice of redemption by subsequent lienholder

To entitle a subsequent lienholder to redeem he shall, within the applicable period of redemption as provided in section 12-1282, file with the county recorder of the county in which the sale is made a notice in writing stating that he intends to redeem and specifying his lien and the amount thereof and its order of priority, and shall deliver a copy thereof to the sheriff of the county.