Exodus 23:14-17

23:14 “Three times in the year you must make a pilgrim feast to me. 23:15 You are to observe the Feast of Unleavened Bread; seven days you must eat bread made without yeast, as I commanded you, at the appointed time of the month of Abib, for at that time you came out of Egypt. No one may appear before me empty-handed.

23:16 “You are also to observe the Feast of Harvest, the firstfruits of your labors that you have sown in the field, and the Feast of Ingathering at the end of the year when you have gathered in your harvest out of the field. 23:17 At three times in the year all your males will appear before the Lord God.

Exodus 34:23

34:23 At three times in the year all your men must appear before the Lord God, the God of Israel.

Deuteronomy 16:16

16:16 Three times a year all your males must appear before the Lord your God in the place he chooses for the Festival of Unleavened Bread, the Festival of Weeks, and the Festival of Temporary Shelters; and they must not appear before him empty-handed.

Deuteronomy 16:2

16:2 You must sacrifice the Passover animal (from the flock or the herd) to the Lord your God in the place where he chooses to locate his name.

Deuteronomy 8:12-13

8:12 When you eat your fill, when you build and occupy good houses, 8:13 when your cattle and flocks increase, when you have plenty of silver and gold, and when you have abundance of everything,