10 You shall therefore keep this ordinance in its season from year to year.
Exodus 13:10 Cross References - KJ2000
Exodus 12:14
14 And this day shall be unto you for a memorial; and you shall keep it a feast to the LORD throughout your generations; you shall keep it a feast by an ordinance forever.
Exodus 12:24-25
Exodus 23:15
15 You shall keep the feast of unleavened bread: (you shall eat unleavened bread seven days, as I commanded you, in the time appointed of the month Abib; for in it you came out from Egypt: and none shall appear before me empty:)
Leviticus 23:6
6 And on the fifteenth day of the same month is the feast of unleavened bread unto the LORD: seven days you must eat unleavened bread.
Deuteronomy 16:3-4
3 You shall eat no leavened bread with it; seven days shall you eat unleavened bread with it, even the bread of affliction: for you came forth out of the land of Egypt in haste: that you may remember the day when you came forth out of the land of Egypt all the days of your life.
4 And there shall be no leavened bread seen with you in all your territory seven days; neither shall there any part of the flesh, which you sacrificed the first day at evening, remain all night until the morning.