Iowa Code § 26.11: Delegation of authority.

When bids are required for any public improvement, the governmental entity may delegate, by motion, resolution, or policy to the city manager, clerk, engineer, or other public officer, as applicable, the duty of receiving and opening bids and announcing the results. The officer shall report the results of the bidding with the officer’s recommendations to the next regular meeting of the governmental entity’s governing body or at a special meeting called for that purpose.