The Greek Public Revenue Authority has issued Circular POL 1071/2017, which clarifies the deadlines for corporate tax installment payments. In general, Greece requires advance payments in installments for the current year based on the previous year's return. The Circular provides that in relation to income earned from 1 January 2016, payments are to be made with a maximum of six monthly installments and that the first installment is no longer due by the tax return deadline, but instead by th…