RATES Approximated Fees Due date Appointments 2013 Reminder for last quarter of 2013. If you’ll earn income outside of your W-2 paycheck this year, you may need to send the IRS some money before the usual tax-filing time. Here are the due dates for paying quarterly estimated taxes in 2013; they are supposed to be in four equal installments. This is for federal taxes only, state and local tax due dates may be different. |