Cross reference
Numbers 28:17
17 On the fifteenth day of this month there is to be a feast; for seven days let your food be unleavened cakes.
Leviticus 23:6
6 And on the fifteenth day of the same month is the feast of unleavened bread; for seven days let your food be unleavened bread.
Exodus 12:15-17
15 For seven days let your food be unleavened bread; from the first day no leaven is to be seen in your houses: whoever takes bread with leaven in it, from the first till the seventh day, will be cut off from Israel.
16 And on the first day there is to be a holy meeting and on the seventh day a holy meeting; no sort of work may be done on those days but only to make ready what is necessary for everyone's food.
17 So keep the feast of unleavened bread; for on this very day I have taken your armies out of the land of Egypt: this day, then, is to be kept through all your generations by an order for ever.
Exodus 13:6
6 For seven days let your food be unleavened cakes; and on the seventh day there is to be a feast to the Lord.
Exodus 23:15
15 You are to keep the feast of unleavened bread; for seven days let your bread be without leaven, as I gave you orders, at the regular time in the month Abib (for in it you came out of Egypt); and let no one come before me without an offering:
Exodus 34:18
18 Keep the feast of unleavened bread; for seven days your food is to be bread without leaven, as I gave you orders, at the regular time in the month Abib; for in that month you came out of Egypt.
Deuteronomy 16:3-8
3 Take no leavened bread with it; for seven days let your food be unleavened bread, that is, the bread of sorrow; for you came out of the land of Egypt quickly: so the memory of that day, when you came out of the land of Egypt, will be with you all your life.
4 For seven days let no leaven be used through all your land; and nothing of the flesh which is put to death in the evening of the first day is to be kept through the night till morning.
5 The Passover offering is not to be put to death in any of the towns which the Lord your God gives you:
6 But in the place marked out by the Lord your God as the resting-place of his name, there you are to put the Passover to death in the evening, at sundown, at that time of the year when you came out of Egypt.
7 It is to be cooked and taken as food in the place marked out by the Lord: and in the morning you are to go back to your tents.
8 For six days let your food be unleavened bread; and on the seventh day there is to be a holy meeting to the Lord your God; no work is to be done.