Relative to the OUA Memo 00-0921-0004 Memorandum titled Reiteration of Participation to the 2021 3rd Quarter Nationwide Simultaneous Earthquake Drill (NSED) Activities and in connection with the approved NDRRMC Memorandum No. 90 s. 2021, Participation to the Third Quarter Nationwide Simultaneous Earthquake Drill 2021 Activities, this Office through the School Governance and Operations Division-DRRM is encouraging all schools and the SDO personnel to participate in the 2021 3rd Quarter Nationwide Simultaneous Earthquake Drill (NSED) on 09 September 2021 at 08:00 AM.