AN ACT TO AMEND REPUBLIC ACT NUMBERED THIRTEEN HUNDRED FORTY-FIVE, ENTITLED "AN ACT CREATING THE NATIONAL MARKETING CORPORATION AND DISSOLVING THE PRICE STABILIZATION CORPORATION APPROPRIATING FUNDS THEREFOR, AND FOR OTHER PURPOSES," AS AMENDED BY REPUBLIC ACTS NUMBERED SIXTEEN HUNDRED ONE, SEVENTEEN HUNDRED NINETY-ONE AND TWENTY-TWO HUNDRED FIFTY-FOUR.