The compensation of the engineer appointed under section 357.6 to conduct the preliminary investigation shall be determined by the board of supervisors and may be by percentage or per diem.

[C39, §5526.09; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §357.9] 2023 Acts, ch 66, §87