extremely low frequency (elf) communication system

extremely low frequency (elf) communication system Sec. 202. None of the funds authorized to be appropriated by this Act for the development of the Extremely Low Frequency (ELF) communication system may be obligated or expended for the development of such system unless the President certifies to the Congress in writing that the use of funds for such purpose is in the national interest, that a site has been selected for the deployment of such system, and that the President has approved such site for the deployment of such system, and in no event may any of the funds authorized to be appropriated by this Act be used for full scale development or construction of another test-bed facility for an Extremely Low Frequency (ELF) communication system.