LIBERAL PARTY, REPRESENTED BY ITS PRESIDENT, FRANCIS N. PANGILINAN, AND/OR ITS SECRETARY GENERAL, JOSE CHRISTOPHER Y. BELMONTE, PETITIONER, VS. COMMISSION ON ELECTIONS AND NACIONALISTA PARTY, REPRESENTED BY ITS PRESIDENT, MANUEL B. VILLAR, AND/OR ITS SECRETARY GENERAL, ALAN PETER CAYETANO, RESPONDENTS
SERGIO R. OSMEÑA III, PETITIONER, VS. POWER SECTOR ASSETS AND LIABILITIES MANAGEMENT CORPORATION, EMMANUEL R. LEDESMA, JR., SPC POWER CORPORATION, AND THERMA POWER VISAYAS, INC., RESPONDENTS