§ 1610.
Effective date
This chapter shall take effect as follows: As to agricultural seeds, and the importation of vegetable seeds, on the one hundred and eightieth day after
August 9, 1939
; as to vegetable seeds in interstate commerce, one year after August 9, 1939
; and as to sections 1591 to 1593 of this title, on August 9, 1939
.