Deuteronomy 16:13-17
The Feast of Booths
13“aYou shall 1celebrate the Feast of Booths seven days after you have gathered in from your threshing floor and your wine vat; 14and you shall abe glad in your feast, you and your son and your daughter and your male and female slaves and the Levite and the sojourner and the 1orphan and the widow who are within your gates. 15“Seven days you shall celebrate a feast to Yahweh your God in the place which Yahweh chooses, because Yahweh your God will bless you in all your produce and in all the work of your hands, so that you will be altogether glad.
16“aThree times in a year all your males shall appear before Yahweh your God in the place which He chooses, at the Feast of Unleavened Bread and at the Feast of Weeks and at the Feast of Booths, and bthey shall not appear before Yahweh empty-handed. 17“Every man 1shall give as he is able, according to the blessing of Yahweh your God which He has given you.