DM NO. 393, S. 2023. ADMINISTRATION OF THE THIRD PERIODIC EXAMINATIONS FOR SCHOOL YEAR 2022-2023 Posted on April 18, 2023 by DepEd Mandaluyong Leave a comment DM NO. 393, S. 2023. ADMINISTRATION OF THE THIRD PERIODIC EXAMINATIONS FOR SCHOOL YEAR 2022-2023 Memorandum Numbered