Section 1
SECTION 1. When a Justice of the Supreme Court or of the Court of Appeals who has rendered at least twenty years' service either in the judiciary or in any other branch of the Government, or in both, (a) retires for having attained the age of seventy years, or (b) resigns by reason of his incapacity to discharge the duties of his office, he shall receive during the residue of his natural life, in the manner hereinafter provided, the salary which he was receiving at the time of his retirement or resignation. And when a Justice of the Supreme Court or of the Court of Appeals has attained the age of fifty-seven years and has rendered at least twenty years' service in the Government, ten or more of which have been continuously rendered as such Justice or as judge of a court of record, he shall be likewise entitled to retire and receive during the residue of his natural life, in the manner also hereinafter prescribed, the salary which he was then receiving. It is a condition of the pension provided for herein that no retiring Justice during the time that he is receiving said pension shall appear as counsel before any court in any civil case wherein the Government or any subdivision or instrumentality thereof is the adverse party, or in any criminal case wherein an officer or employee of the Government is accused of an offense committed in relation to his office, or collect any fee for his appearance in any administrative proceedings to maintain an interest adverse to the Government, insular, provincial or municipal, or to any of its legally constituted officers.