SECTION 1. Section one of Republic Act Numbered Eight, hundred fifty-two is hereby amended to read as follows:
"SECTION 1. Subject to the provisions of the Constitution, as well as of Act Numbered Three thousand eight hundred and forty-six, entitled "An Act providing for the regulation of radio stations and radio communications in the Philippine Islands, and for other purposes"; Act Numbered Three thousand nine hundred and ninety-seven, known as the Radio Broadcasting Law; Commonwealth Act Numbered One hundred forty-six, known as the Public Service Act, and their amendments, and other applicable laws, there is hereby granted to Segundo Santos and Sons, a franchise to construct, maintain and operate, for commercial purposes and in the public interests, radio broadcasting stations in the Philippines: Provided, That this franchise shall be for a period of twenty-five years and shall be void unless the construction of at least one radio broadcasting station be finished within one and a half years from the approval of said franchise: Provided, further, That the grantee shall provide adequate public service time to enable the Government, through the stations herein authorized, to reach the population on important public issues; shall assist in the functions of public information and education; shall conform to the ethics of honest enterprise; and shall not use said stations for the broadcasting of obscene or indecent language or speech, or for the dissemination of deliberately-false information or willful misrepresentation, or to the detriment of the public health, or to incite, encourage or assist in subversive or treasonable acts."