Milk. Order of Secretary of Agriculture, issued pursuant to Public act 10, 73d Congress, as amended and as reenacted and amended by agricultural marketing agreement act of 1937, amending Order 20, regulating handling in interstate commerce, and such handling as directly burdens, obstructs, or affects interstate commerce, of milk in La Porte County, Ind. marketing area; issued by Secretary of Agriculture, Aug. 15, 1938, effective Aug. 20, 1938.