e-SUBMISSION Calendar When: January 31, 2018 all-day 2018-01-31T00:00:00+08:00 2018-02-01T00:00:00+08:00 e-SUBMISSION LAST DAY OF e-SUBMISSION Annual Alphalist of Employees – BIR Form No. 1604CF for CY 2017 List of regular suppliers of goods and services by the top 20,000 private corporations for 2nd semester of 2017 Posted in .