In addition to the powers granted to the board of supervisors by the provisions of this chapter, and not in limitation thereof, the board of supervisors may appropriate and expend annually such amounts as are necessary for the purpose of the counties belonging to and paying dues in the Arizona association of counties, statewide, western regional or national associations of county boards of supervisors, associations of clerks of boards of supervisors or any similar organizations or combination of organizations.
A.R.S. § 11-252