REITERATION ON THE OBSERVANCE AND CONDUCT OF FLAG RAISING AND LOWERING CEREMONIES AND PROPER SEQUENCE IN OFFICIAL DEPED PROGRAMS INVOLVING THE SINGING OF THE PHILIPPINE NATIONAL ANTHEM Posted on May 19, 2021 by DepEd Mandaluyong Leave a comment 21-05-045. REITERATION ON THE OBSERVANCE AND CONDUCT OF FLAG RAISING AND LOWERING CEREMONIES AND PROPER SEQUENCE IN OFFICIAL DEPED PROGRAMS INVOLVING THE SINGING OF THE PHILIPPINE NATIONAL ANTHEM Memorandum Unnumbered