The county attorney must review each petition and bond filed with the county to determine if it meets the requirement of the proceedings for which it is intended. The county attorney must review the petition and bond within 30 days after it is filed. The county attorney must:
(1) refer the petition and bond back to the petitioners if it does not meet the requirements, with the county attorney's opinion describing the deficiencies of the petition; or
(2) refer the petition to the drainage authority.