Deficiency estimate and supplemental estimates of appropriation for the Post Office Department. Communication from the President of the United States transmitting deficiency estimate of appropriation for the fiscal year 1943 of $30,000, and supplemental estimates of appropriation for the fiscal year 1945 of $57,534,030, in all $57,564,030, together with provisions affecting existing appropriations for the fiscal years 1945 and 1946, for the Post Office Department.