Ariz. Rev. Stat. § 33-1256
C. A common expense lien under this section is prior to all other liens, interests and encumbrances on a unit except:
H. This section does not prohibit:
L. For a delinquent account for unpaid common expense liens, the association shall provide the following written notice to the unit owner at the unit owner's address as provided to the association at least thirty days before authorizing an attorney, or a collection agency that is not acting as the association's managing agent, to begin collection activity on behalf of the association:
Your account is delinquent. If you do not bring your account current or make arrangements that are approved by the association to bring your account current within thirty days after the date of this notice, your account will be turned over for further collection proceedings. Such collection proceedings could include bringing a foreclosure action against your property.
The notice shall be in boldfaced type or all capital letters and shall include the contact information for the person that the unit owner may contact to discuss payment. The notice shall be sent by certified mail, return receipt requested, and may be included within other correspondence sent to the unit owner regarding the unit owner's delinquent account.