A.R.S. § 11-499: Issuance of county bonds; liability

The board of supervisors and not the county treasurer is the official issuer of county bonds, and the board of supervisors shall assume all liability on the bonds including bonds issued pursuant to sections 11-254.03, 11-264.01, 11-271, 11-281, 11-307, 11-371 and 11-721 and all other county bonds.