Section 4
SEC. 4. The franchise herein granted shall be valid for a period of twenty-five years from the approval of this Act, but is subject to the express condition that the franchise shall become null and void if the grantee or its successors in interest does not start the construction of the quickfreezing and cold storage plants herein authorized within two years from the approval of this Act and does not complete the construction and commence the operation of the plants within four years from said approval except when prevented by an act of God, force majeure, martial, law, riot, civil commotion, usurpation by military power or any other cause beyond the grantee's control. On the seventh year after the approval of this Act, grantee shall notify the Public Service Commission in writing of the plant or plants constructed and operated by it, their location and capacities.