e-SUBMISSION Calendar When: September 14, 2018 all-day 2018-09-14T00:00:00+08:00 2018-09-15T00:00:00+08:00 e-SUBMISSION LAST DAY OF e-SUBMISSION MAP of BIR Forms No. 1601E and 1601F for August 2018 (eFPS filers under Group B) Posted in .