41-1491.25. Additional or substitute respondent A. The attorney general may join a person not named in the complaint as an additional or substitute respondent if in the course of the investigation the attorney general determines that the person should be accused of a discriminatory housing practice. B. In addition to the information required in the notice under section 41-1491.22, subsection F, paragraph 3, the attorney general shall include in a notice to a respondent joined under this section an explanation of the basis for the determination that the person is properly joined as a respondent.
Arizona Legal Code