(a) Notwithstanding any law to the contrary, no later than 60 days following the effective date of this amendatory Act of the 95th General Assembly and until subsection (b) is implemented, any fixed route public transportation services provided by, or under grant or purchase of service contracts of, every District shall be provided without charge to all senior citizens of the District aged 65 and older, under such conditions as shall be prescribed by the District.
     (b) Notwithstanding any law to the contrary, no later than 180 days following the effective date of this amendatory Act of the 96th General Assembly, any fixed route public transportation services provided by, or under grant or purchase of service contracts of, every District shall be provided without charge to senior citizens aged 65 and older who meet the income eligibility limitation set forth in subsection (a-5) of § 4 of the Senior Citizens and Persons with Disabilities Property Tax Relief Act, under such conditions as shall be prescribed by the District. The Department on Aging shall furnish all information reasonably necessary to determine eligibility, including updated lists of individuals who are eligible for services without charge under this Section. Nothing in this Section shall relieve the District from providing reduced fares as may be required by federal law.