The first installment of tax on the 2019 Grand List was due July 1, 2020. Tax Deferment grace period ends October 1, 2020. The last day to pay the July 1, 2020 installment without penalty is October 1, 2020 (US Postmark). Payments not received by October 1, 2020 will be charged 6% interest (1.5 % per month back to July 1).