Ariz. Rev. Stat. § 48-3072
B. When such state lands are held under certificate of purchase, the holder of the certificate or his assignee shall at the time of paying the annual installments of principal and interest as provided in the certificate, present to the state land department or other receiving officer a certificate from the county treasurer of the county in which the land is located showing that no unpaid district charges are due and delinquent against the land. If the holder of a certificate of purchase or his assignee fails, neglects or refuses for a period of one year after it becomes delinquent to pay any assessment or charge legally levied against the land, the failure, neglect or refusal shall constitute a breach of a condition of the certificate of purchase which shall subject the certificate to forfeiture. The state or any citizen thereof who pays the delinquent assessment or charge after the expiration of the one year period, may institute an action upon the certificate in the superior court in the county in which the land is located to forfeit the interest of the holder thereof or his assignee for the breach of the condition and:
1. If the action is instituted by a citizen of the state and judgment rendered in the action against the defendant:
2. If the action is instituted by the state and judgment rendered in favor of the state against the defendant, any citizen of the state may have a certificate of purchase issued to him as provided by paragraph 1 upon:
D. All charges and assessments that are legally levied by the district against such state lands not held under certificate of purchase or lease shall be a continuing lien upon the lands. Those lands shall not be leased or sold unless either: