Preamble
SECTION l. The name of Duluwan Central Elementary School in the Municipality of Datu Piang, Province of Cotabato, is hereby changed to Datu Gumbay Piang Central Elementary School.
RA 3939 Preamble
SECTION l. The name of Duluwan Central Elementary School in the Municipality of Datu Piang, Province of Cotabato, is hereby changed to Datu Gumbay Piang Central Elementary School.
CitationRA 3939 Preamble (LawPlayer, data as of July 4, 2026)
Source: Supreme Court E-Library, Republic of the Philippines. Philippine laws are public documents (works of the government).