AN ACT ESTABLISHING A REFUNDABLE CREDIT AGAINST THE PERSONAL INCOME TAX FOR THE AMOUNT OF MOTOR VEHICLE PROPERTY TAX PAID. To (1) establish a refundable credit against the personal income tax for the amount of motor vehicle property tax paid for a taxable year by taxpayers with adjusted gross income of less than one hundred thousand dollars for single filers and less than two hundred thousand dollars for married individuals filing jointly, and (2) limit the credit under section 12-704c of the general statutes to property tax paid on primary residences.