1. The cost of the establishment of such additional pumping plant or plants shall be paid in the same manner and upon the same basis as is provided for the cost of the original improvement.2. The board of supervisors or the board of trustees, as the case may be, where the district has been established and the original improvement constructed, may proceed with the further improvement of the original project in the manner provided in section 468.126, provided, however, that the cost of such further improvement does not exceed twenty-five percent of the sum of the original cost to the district and the cost of subsequent improvements, including all federal contributions.3. For the purpose of this section the word "improvement" shall include the construction, reconstruction, enlargement and relocation of levees and acquisition of rights-of-way therefor.89 Acts, ch 126, §2 2011 Acts, ch 25, §124
C24, 27, 31, 35, 39, §7655; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, § 461.5 89 Acts, ch 126, §2CS89, §468.359 2011 Acts, ch 25, §124