Replaces everything after the enacting clause. Amends the Illinois Act on the Aging. Provides that the Department on Aging is authorized to make eligibility determinations for benefits administered by other governmental bodies based on the Senior Citizens and Disabled Persons Property Tax Relief Act as follows: (i) for the Secretary of State with respect to reduced fees paid by qualified vehicle owners under the Illinois Vehicle Code; (ii) for special districts that offer free fixed route public transportation services for qualified older adults under the Local Mass Transit District Act, the Metropolitan Transit Authority Act, and the Regional Transportation Authority Act; and (iii) for special districts that offer transit services for qualified individuals with disabilities under the Local Mass Transit District Act, the Metropolitan Transit Authority Act, and the Regional Transportation Authority Act. Requires the Department to establish the manner by which claimants shall apply for these benefits. Provides that the Department is authorized to promulgate rules regarding the following matters: the application cycle; the application process; the content for an electronic application; required personal identification information; acceptable proof of eligibility as to age, disability status, marital status, residency, and household income limits; household composition; calculating income; use of social security numbers; duration of eligibility determinations; and any other matters necessary for such administrative operations. Effective immediately.