For Public Elementary and Secondary Schools: DO Memo No. 33 s. 2016 POLICY GUIDELINES ON THE THREE-SALARY GRADE LIMITATION ON PROMOTION Posted on October 27, 2016 by marksherwinmagsombol Leave a comment 16-10-128. DO Memo No. 33 s. 2016 POLICY GUIDELINES ON THE THREE-SALARY GRADE LIMITATION ON PROMOTION Memorandum