(a) Except as provided by Subsection (b), the district must obtain the approval of the City of Houston’s governing body:
(1) for the issuance of a bond for each improvement project;
(2) of the plans and specifications of the improvement project financed by the bond; and
(3) of the plans and specifications of any district improvement project related to the use of land owned by Harris County, an easement granted by Harris County, or a right-of-way of a street, road, or highway.
(b) If the district obtains the approval of the City of Houston’s governing body of a capital improvements budget for a period not to exceed five years, the district may finance the capital improvements and issue bonds specified in the budget without further approval from the City of Houston.