Sec. 101.301  National defense; free service.

    Any common carrier authorized under the rules of this part may 
render to any agency of the United States Government free service in 
connection with the preparation for the national defense. Every such 
carrier rendering any such free service must make and

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file, in duplicate, with the Commission, on or before the 31st of July 
and on or before the 31st day of January in each year, reports covering 
the periods of 6 months ending on the 30th of June and the 31st of 
December, respectively, next prior to said dates. These reports must 
show the names of the agencies to which free service was rendered 
pursuant to this rule, the general character of the communications 
handled for each agency, and the charges in dollars which would have 
accrued to the carrier for such service rendered to each agency if 
charges for such communications had been collected at the published 
tariff rates.