Section 3
SEC. 3. The grantee may install, maintain and operate radiotelephone equipment to furnish an economical medium of telephonic communications in and between said provinces, cities and municipalities in the Philippines and between the Philippine telephone systems and those of other countries; Provided, That the location, installation or operation of such radio-telephone equipment must be previously approved by the President of the Philippines upon the recommendation of the Secretary of Public Works and Communications: Provided, further, That the Secretary of Public Works and Communications shall have the authority to supervise and regulate the installation or operation of such radio-telephone equipment. The privilege to install, maintain and operate radio-telephone equipment shall not be construed to authorize the broadcasting of any commercial message, or the transmission of any message for hire by radio-graphic equipment or the transmission of radio-telegraphic messages for hire.