Ariz. Rev. Stat. § 33-2141
A. Except as otherwise provided by law, if there is a material noncompliance by the landlord with the rental agreement or the rules, the tenant may deliver a written notice to the landlord specifying the acts and omissions constituting the breach and that the rental agreement will terminate on a date not less than thirty days after receipt of the notice if the breach is not remedied in fourteen days. If there is a noncompliance by the landlord materially affecting health and safety, the tenant may deliver a written notice to the landlord specifying the acts and omissions constituting the breach and that the rental agreement will terminate on a date not less than twenty days after receipt of the notice if the breach is not remedied in ten days. The rental agreement shall terminate and the recreational vehicle space shall be vacated as provided in the notice subject to the following: