You are to celebrate this as a feast to the LORD for seven days each year. This is a permanent statute for the generations to come; you are to celebrate it in the seventh month.
KJV
And ye shall keep it a feast unto the LORD seven days in the year. [It shall be] a statute for ever in your generations: ye shall celebrate it in the seventh month.
ASV
And ye shall keep it a feast unto Jehovah seven days in the year: it is a statute for ever throughout your generations; ye shall keep it in the seventh month.