e-FILING Calendar When: September 12, 2017 all-day 2017-09-12T00:00:00+08:00 2017-09-13T00:00:00+08:00 e-FILING LAST DAY OF e-FILING 1601C, 1601E, 1601F and 1602 – Withholding return on compensation, EWT and FWT for August 2017 (eFPS filers under Group D) Posted in .