Section 4
SEC. 4. Section nineteen of Act Numbered Forty-one hundred and sixty-six is hereby amended so as to read as follows: "SEC. 19. This Act shall take effect upon its approval and shall remain in force for six crop years commencing with the 1934-1935 crop unless the President determines that the state of emergency declared in this Act has ceased, in which case he shall so declare by proclamation, whereupon the effects of this Act shall thereby cease."