Section is composed of the last sentence of subsec. (a) of section 6 of act Mar. 4, 1923, as renumbered by section 401(span) of act Sept. 21, 1944. First five sentences of subsec. (a) of section 6 is classified to section 56 of this title. Subsec. (span) of section 6 is classified to section 57a of this title.