Leviticus 7:36
7:36 This is what the Lord commanded to give to them from the Israelites on the day Moses anointed them – a perpetual allotted portion throughout their generations.
Leviticus 24:7-8
24:7 You must put pure frankincense on each row, and it will become a memorial portion for the bread, a gift to the Lord.
24:8 Each Sabbath day Aaron must arrange it before the Lord continually; this portion is from the Israelites as a perpetual covenant.