e-FILING/FILING and e-PAYMENT/PAYMENT Calendar When: January 10, 2022 all-day 2022-01-10T00:00:00+08:00 2022-01-11T00:00:00+08:00 e-FILING e-PAYMENT FILING PAYMENT BIR Form No. 1600 and 1606 for December 2021 (all filers) BIR Form No. 2200C for December 2021 BIR Form No. 0620 for December 2021 Posted in .