Section 2
SEC. 2. This temporary permit shall continue to be in force during the time that the Government has not established similar service at the places selected by the grantee, but in no case to go beyond July 4, 1974, and is granted upon the express condition that the same shall be void unless the construction or installation of said stations be begun within two years from the date of the approval of this Act and be completed within three years from said date.