Ariz. Rev. Stat. § 46-443 – Child support case registry; location information; presumptions concerning notice

A. Beginning on October 1, 1998, on establishment of paternity or issuance of a support order in a title IV-D case, each party to any child support action shall file with the child support case registry and update, as appropriate, the following information:
1. 1. Full name.
2. 2. Social security number.
3. 3. Date of birth.
4. 4. Residential and mailing addresses.
5. 5. Telephone number.
6. 6. Driver license number.
7. 7. Name, address and telephone number of the current employer.
B. Any change in the information filed pursuant to subsection A shall be reported to the child support case registry within ten days.
C. On establishment of a support obligation and issuance of a court order in a title IV-D case, the department in a subsequent child support enforcement action shall notify a party to the action by written notice delivered to the party by first class mail to the most recent residential or employer address filed by the party with the child support case registry. On a sufficient showing that diligent effort has been made to ascertain the location of the party, the court or administrative agency of competent jurisdiction shall deem due process requirements for notice and service of process to be met.