"Section 2-A.     Any Justice of the Supreme Court or of the Court of Appeals who ceased to hold such position prior to the approval of this amendatory Act, to accept another position in the Government or who resigned or retired from said courts after the effectivity of Commonwealth Act Numbered Five hundred and thirty-six, entitled "An Act authorizing the retirement of Justices of the Supreme Court, and making appropriations for the payment of a retirement gratuity", without enjoying the benefits thereunder, shall be entitled to the benefits under the provisions of this Act: Provided, That at the time of his cessation in office or retirement as Justice of the Supreme Court or the Court of Appeals, he possessed all the requirements prescribed by this Act: And provided, further, That the benefits authorized hereunder shall accrue only from the date of the approval of this amendatory Act.  

"Section 3-A.     In case the salary of Justices of the Supreme Court or of the Court of Appeals is increased or decreased such increased or decreased salary shall, for the purposes of this Act, be deemed to be the salary which a justice who ceased to be such to accept another position in the Government was receiving at the time of his cessation in office: Provided, That any benefits that have already accrued prior to such increase or decrease shall not be affected thereby."