1987 Constitution of the Philippines
Section 11. The Members of the Supreme Court and judges of the lower court shall hold office during good behavior until they reach the age of seventy years or become incapacitated to discharge the duties of their office. The Supreme Court en banc shall have the power to discipline judges of lower courts, or order their dismissal by a vote of majority of the Members who actually took part in the deliberations on the issues in the case and voted in thereon.