Section 3
SEC. 3. Section two of the same Act is amended to read as follows: "SEC. 2. This temporary permit shall continue for a period of twenty-five years from the date the said stations shall be put in operation, and is made upon the express condition that the same shall be void unless the construction, of at least one station be begun within six months from the date of approval of this Act and be completed within two years from said date. Frequencies for other stations shall be granted upon request, subject to rules and regulations prescribed by the Secretary of Public Works and Communications governing said matters, existing at the time of application."