ADDITIONAL IMPROVEMENTS.

(a) After completion of improvements, including bridges and culverts, and after payment of all expenses, if surplus money or bonds remain to the credit of the district, the board may order the engineer to make a detailed report of additional or supplemental drains, ditches, levees, or other surface drainage improvements, including tile drainage, which are needed by the district. The engineer shall make the report and the board shall act on the report in the manner provided in this chapter for the initial report of the engineer.

(b) After the engineer's report is approved or modified by the board, the board shall order an election to be held in the district at the earliest legal time. The only proposition that may be submitted at the election is whether or not the district will construct additional improvements and pay for them with funds currently available. A majority of those persons voting at the election must approve the proposition for it to carry.

(c) Notice of the election shall be given, election officials appointed, returns made and canvassed, and the result declared as provided in Sections 56.027-56.031 of this code. The notice of election shall state:

(1) the character and scope of the proposed improvements;

(2) the estimated cost of the proposed improvements; and

(3) the time and place for holding the election.

(d) The provisions of this chapter relating to awarding contracts, constructing improvements, and the authority of the board and the commissioners court to award contracts and construct improvements apply as far as applicable to constructing and paying for additional improvements.

(e) The estimated cost of the additional improvements may not be more than the amount of surplus money or bonds to the credit of the district.