e-FILING/FILING and e-PAYMENT/PAYMENT Calendar When: May 10, 2019 all-day 2019-05-10T00:00:00+08:00 2019-05-11T00:00:00+08:00 e-FILING e-PAYMENT FILING PAYMENT e-FILING/FILING and e-PAYMENT/PAYMENT BIR Form No. 1600 and 1606 for April 2019 (all filers) Posted in .