Section 3
SEC. 3. The grantee's radio broadcasting and television stations shall not be put in actual operation until the Secretary of Public Works and Communications shall have allotted to the grantee the frequency and wave length to be used under this franchise and issued to the grantee a license for such use; and that the stations of the grantee shall be so constructed and operated with the wave length so selected as to avoid interference with existing radio stations and to permit the expansion of the grantee's service.