DM NO. 310, S. 2022. SUSPENSION OF WORK (HALF-DAY) IN THE DEPARTMENT OF EDUCATION ON APRIL 13, 2022 Posted on April 13, 2022 by DepEd Mandaluyong Leave a comment DM NO. 310, S. 2022. SUSPENSION OF WORK (HALF-DAY) IN THE DEPARTMENT OF EDUCATION ON APRIL 13, 2022 Memorandum Numbered