DM NO. 077, S. 2022. IMPORTANT UPDATES ON THE COVID-19 VACCINATION / NEGATIVE COVID-19 TEST RESULT REQUIREMENTS FOR ONSITE PERSONNEL: NVOC ADVISORY NO. 134 AND LGU ORDINANCES Posted on February 17, 2022 by DepEd Mandaluyong Leave a comment DM NO. 077, S. 2022. IMPORTANT UPDATES ON THE COVID-19 VACCINATION / NEGATIVE COVID-19 TEST RESULT REQUIREMENTS FOR ONSITE PERSONNEL: NVOC ADVISORY NO. 134 AND LGU ORDINANCES Memorandum Numbered