e-FILING Calendar When: May 11, 2016 all-day 2016-05-11T00:00:00+08:00 2016-05-12T00:00:00+08:00 Cost: Free e-FILING LAST DAY OF e-FILING • 1601C, 1601E, 1601F and 1602 – Withholding return on compensation, EWT and FWT for April 2016 (eFPS filers under Group E) Posted in .