(a) The district may contract with any person to accomplish the purposes of this chapter on terms and for the period the board determines, including contracting for the payment of costs incurred by the person on behalf of the district, including all or part of the costs of an improvement project, from tax proceeds or any other specified source of money.(b) The district may contract with a person to receive, administer, and perform the district's duties under a gift, grant, loan, conveyance, transfer, bequest, donation, or other financial arrangement relating to the investigation, planning, analysis, acquisition, construction, completion, implementation, or operation of a proposed or existing improvement project.(c) Any person, including any type of governmental entity, may contract with the district to carry out the purposes of this chapter. Acts 2003, 78th Leg., ch. 1277, Sec. 1, eff. April 1, 2005.