RUSH MEMO FOR PUBLIC ELEMENTARY AND SECONDARY SCHOOLS: GSIS TO START DUNNING DUE AND DEMANDABLE ACCOUNTS IN NOVEMBER 2018 Posted on October 30, 2018 by DepEd Mandaluyong Leave a comment 18-10-154. GSIS TO START DUNNING DUE AND DEMANDABLE ACCOUNTS IN NOVEMBER 2018 Memorandum Unnumbered