Numbers 18:24

18:24 But I have given to the Levites for an inheritance the tithes of the Israelites that are offered to the Lord as a raised offering. That is why I said to them that among the Israelites they are to have no inheritance.”

Numbers 28:8

28:8 And the second lamb you must offer in the late afternoon; just as you offered the grain offering and drink offering in the morning, you must offer it as an offering made by fire, as a pleasing aroma to the Lord.

Numbers 28:24

28:24 In this manner you must offer daily throughout the seven days the food of the sacrifice made by fire as a sweet aroma to the Lord. It is to be offered in addition to the continual burnt offering and its drink offering.