e-FILING Calendar When: August 25, 2018 all-day 2018-08-25T00:00:00+08:00 2018-08-26T00:00:00+08:00 e-FILING LAST DAY OF e-FILING BIR Forms No. 2550M and 2551M for July 2018 (eFPS filers under Group A) Posted in .