So you must keep ¹  this ordinance at its appointed time from year to year. ² 

This day will become ¹  a memorial ²  for you, and you will celebrate it as a festival ³  to the Lord – you will celebrate it perpetually as a lasting ordinance. ⁴ 

¹ The Lord said to Moses and Aaron, “This is the ordinance of the Passover. No foreigner may ²  share in eating it. ³ 

and wrap the sashes around Aaron and his sons ¹  and put headbands on them, and so the ministry of priesthood will belong to them by a perpetual ordinance. Thus you are to consecrate ²  Aaron and his sons.

So you will keep the Feast of Unleavened Bread, because on this very ¹  day I brought your regiments ²  out from the land of Egypt, and so you must keep this day perpetually as a lasting ordinance. ³ 

In the tent of meeting ¹  outside the curtain that is before the testimony, Aaron and his sons are to arrange it from evening ²  to morning before the Lord. This is to be a lasting ordinance among the Israelites for generations to come. ³ 

These must be on Aaron and his sons when they enter ¹  to the tent of meeting, or when they approach ²  the altar to minister in the Holy Place, so that they bear no iniquity and die. ³  It is to be a perpetual ordinance for him and for his descendants ⁴  after him. ⁵