(a) A holder of a bond issued under this subchapter is entitled, by mandamus or other proceedings in court, to enforce the holder's rights against:
(1) the county;
(2) county employees and agents; and
(3) the employees of the county's agents.
(b) A bondholder's rights include the right to require the county to:
(1) impose and collect sufficient rates and charges to carry out the agreements contained in the bond order; and
(2) perform all agreements and covenants contained in the bond order and the duties arising from those agreements or covenants.