(a) by repealing subsection (1) and substituting the following:
(1) A person who has disputed the person's liability for a toll in accordance with the dispute resolution procedure referred to in section 20 and who is not satisfied with the outcome of that procedure may, on one or more of the grounds referred to in section 19, appeal the person's liability for that toll to an arbitrator
(a) in accordance with the appeal procedure prescribed for the concession highway, or
(b) if no appeal procedure has been prescribed as referred to in paragraph (a) for the concession highway, in accordance with the appeal procedure established in accordance with the concession agreement for the highway. , and
(b) in subsection (3) by striking out "prescribed appeal procedure" and substituting "appeal procedure referred to in subsection (1)".