Section 5A: Approval to be Made

1) The public body shall approve the details referred to in Section 4 and the cost estimate referred to in Section 5 as prescribed.

2) Except for the cases where the details referred to in Section 4 and the cost estimate referred to in Section 5 have to be amended due to special reasons as prescribed, if the design or cost estimate once approved has to be amended, if such amendment differs by more than twenty-five percent from the initial cost figure or if the procurement work is affected due to the preparation of an erroneous design or an unnatural cost estimate, the official who prepared, checked or approved such design or cost estimate and the consultant involved in the work shall be liable to action in accordance with the prevailing law.