e-PAYMENT Calendar When: January 20, 2018 all-day 2018-01-20T00:00:00+08:00 2018-01-21T00:00:00+08:00 e-PAYMENT LAST DAY OF e-PAYMENT BIR Forms No. 1601C, 1601E, 1601F and 1602 for December 2017 (all eFPS filers) Posted in .