Yeast. To remove water limitation in distilleries using filtration-aeration process, hearing before subcommittee on internal revenue on H. R. 9542, to amend 2d paragraph of sec. 3264, Revised statutes as amended by sec. 5 of act of Mar. 1, 1879, and as further amended by act approved June 22, 1910 [so as to remove all restrictions upon amount of water which distillers may use under filtration-aeration process in making yeast and alcohol] Apr. 5, 1916.