Section 4
SEC. 4. a) Subject to provisions and limitations hereof and, other applicable laws, grantee shall, upon proper request to the government authorities assigned to act on such matters, be assigned suitable receiving and transmitting frequencies. This franchise shall not take effect nor shall any powers hereunder be exercised by the grantee until such frequencies shall have been allotted to the grantee and licensed for its use. b) The Secretary of Public Works and Communications, on reasonable notice to grantee, may at any time change, cancel, or modify, in whole, or in part, any or all of the allotments of frequencies or wave lengths so assigned. He may take such action (1) whenever in his judgment such frequencies and wave lengths have been used, or there is danger that they will be used by the grantee to impair electrical communications, or stifle competition to obtain a monopoly in electrical communication, or ,to otherwise violate the laws, and public policy of the Republic of the Philippines; (2) whenever in his judgment, the public interests require that such frequencies or wave lengths should be used for other purposes than those of the grantee, either by the government or by other individuals and/or entities licensed by it; and (3) 'whenever in his judgment, for any reason, the public interests of the Philippines so require.