You can apply online for any of these exemptions through the Cook County Assessor's Office. This program allows homeowners who are seniors, are blind, or have a disability to defer current-year property taxes on their principal residence.If you qualify all you have to do is file an application with your local county office. Download PDF BOE-266 REV. This report contains key statistics and trends regarding public transportation in the United States (U. The following staff members were responsible for individual chapters: Chapters 1, 2, and 4-Richter; Chapter 3-.