SEC. 2. Section one of the same Act is hereby amended to read as follows:
"SECTION 1. Subject to the terms and conditions established in this Act and in Commonwealth Act Numbered One hundred forty-six, as amended, and to the provisions of the Constitution, Rural Electrification Corporation is hereby granted for a period of twenty-five years from the approval of this Act, the right, privilege and authority to construct, operate and maintain an ice plant and cold storage in the Municipality of Hagonoy and in any municipality within the Province of Davao del Sur, for the purpose of manufacturing ice for distribution and sale and for supplying cold storage in the municipalities in the Province of Davao del Sur and to charge and collect a schedule of prices and rates therefor, which schedule shall at all times be subject to regulation by the Public Service Commission or its legal successors."