But those who were to camp in front of the tabernacle on the east, in front of the tent of meeting, were Moses, Aaron, ¹  and his sons. They were responsible for the needs ²  of the sanctuary and for the needs of the Israelites, but the unauthorized person who approached was to be put to death.

The Lord said to Moses, “Bring Aaron’s staff back before the testimony to be preserved for a sign to the rebels, so that you may bring their murmurings to an end ¹  before me, that they will not die.” ² 

“‘Then a man who is ceremonially clean must gather up the ashes of the red heifer and put them in a ceremonially clean place outside the camp. They must be kept ¹  for the community of the Israelites for use in the water of purification ²  – it is a purification for sin. ³