Deuteronomy 16:1, 2
Deuteronomy 16:1 NIV
Observe the month of Aviv and celebrate the Passover of the LORD your God, because in the month of Aviv he brought you out of Egypt by night.
Deuteronomy 16:2 NIV
Sacrifice as the Passover to the LORD your God an animal from your flock or herd at the place the LORD will choose as a dwelling for his Name.