e-FILING/FILING and e-PAYMENT/PAYMENT Calendar When: January 20, 2018 all-day 2018-01-20T00:00:00+08:00 2018-01-21T00:00:00+08:00 e-FILING e-PAYMENT FILING PAYMENT LAST DAY OF e-FILING/FILING and e-PAYMENT/PAYMENT BIR Forms No. 2550M and 2551M for December 2017 (non-eFPS filers) BIR Form No. 2551Q for CQ ended December 2017 Posted in .