Acts of a private nature which do not prescribe the time when they take effect, shall do so on the thirtieth day next after they have been approved by the governor, or endorsed as provided in this chapter.
Iowa Code § 3.11
Acts of a private nature which do not prescribe the time when they take effect, shall do so on the thirtieth day next after they have been approved by the governor, or endorsed as provided in this chapter.
Iowa Code § 3.11