Before August 1, 1956, the Secretary of Labor shall estimate and report to the President the total amount which will be required to pay all additional benefits payable as a result of the enactment of section
4
(c) of this title [section
2003
(c) of this Appendix]. If the President approves the amount so estimated as reasonably accurate, the total amount so estimated and approved shall be certified to the Secretary of the Treasury; if the President does not so approve, he shall determine such amount, and the amount so determined shall be certified to the Secretary of the Treasury. Such certification shall be made on or before September 1, 1956. The Secretary of the Treasury shall then transfer from the War Claims Fund to the general fund of the Treasury a sum equal to the total amount certified to him under this subsection.