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