Revenue rates, once imposed, may not be increased, unless authorized by voter approval. If project costs exceed original cost by more than 20 percent, a public hearing must be held to solicit public comment regarding how the cost change should be resolved. The TBD must issue an annual report to include the status of project costs, revenues, expenditures, and construction schedules. The TBD must be dissolved upon completion of the project(s) and the payment of any debt service.