e-FILING/FILING and e-PAYMENT/PAYMENT Calendar When: December 26, 2017 all-day 2017-12-26T00:00:00+08:00 2017-12-27T00:00:00+08:00 e-FILING e-PAYMENT FILING PAYMENT LAST DAY OF e-FILING/FILING and e-PAYMENT/PAYMENT BIR Form No. 2550Q for TQ ended October 2018 Posted in .