A.R.S. § 9-1110

Each claimant or contestant shall, with his statement or contest, pay the trustee the sum of ten dollars for each lot claimed, not exceeding seven thousand square feet per lot, as the purchase price therefor. Such money shall be refunded to the claimant by the trustee if it is finally determined that the party is not entitled to a deed, after first deducting costs or fees that may be due from such party.