JUSTINIANO CAJIUAT, MARCIAL LARA, JOSE NUÑEZ, LEONOR AMACIO, ETERIO SOTIANGCO, OTILIO DE GUZMAN, OSCAR INDUCTIVO, DONATO ABELLARDO, CECILIO CUNANAN, CONSTANTE QUITORIANO, RAYMUNDO QUIÑONES, ABDON LAMSIN, FERNANDO BANAAG, FERNANDO PINEDA, LORENZO GERONIMO, ENRIQUE VILLANUEVA, DELFIN ESPINO, WILSON ALBANA, VALERIO ARELLANO, ESTRELLA BAYAWA, PEDRO CORPUZ, MELITON CRUZ, ERNESTO RAMIREZ, LEONARDO SANTOS, ALBERT ARCE, SATURNINO LARIN, IGNACIO FONTE, ROBERTO TORRES, SEVERINO BAUTISTA, FELICIANO BAUTISTA, PEDRO GOLPEO, ARSENIO TORRES, DOMINGO MAÑO, BIENVENIDO VALMONTE, SALVADOR SANTIAGO, ANDRES ASLARONA, RICARDO TOBIAS, AGAPITO VILLAROMAN, CONRADO PAULINO, MAURICIO BELTRAN, JOSE MARAVILLA, and CARMELO BARBER, Petitioners, v. HONORABLE ISMAEL MATHAY, SR., in his capacity as Acting Chairman of the Commission on Audit, Respondent