e-FILING/FILING and e-PAYMENT/REMITTANCE Calendar When: April 10, 2018 all-day 2018-04-10T00:00:00+08:00 2018-04-11T00:00:00+08:00 e-FILING e-PAYMENT FILING REMITTANCE LAST DAY OF e-FILING/FILING and e-PAYMENT/REMITTANCE BIR Form No. 1600 for March 2018 Posted in .