"We are a creature of statute and we must follow the proscribed process."
McDouall referred to part 6 of the Act which covers planning, decision-making and accountability.
He said a motion to rescind the vote would require new information that had not been considered during long-term plan deliberations, which had not been provided.
"The Local Government Act provides clear guidelines for councils in sections 77 to 82 and we would not be compliant if we revisit the decision now."
The mayor said the long-term plan consultation phase was the time for lobbying and Tuesday's meeting was dedicated to the approval of the plan.
"Discussions on the future of the velodrome are still live but discussion on the proposals that were part of the long-term plan have closed," he said.
The council meets at 1pm on Tuesday, June 22, in the council chamber, 101 Guyton St. The public will be excluded from the beginning of the meeting and the council says it expects it to open to the public about 3.35pm. The long term plan will be considered in the public part of the meeting.