Numbers 18:8-18,26-32
And the LORD spoke to Aaron, Behold, I also have given you the charge of my heave offerings of all the hallowed things of the children of Israel; to you have I given them by reason of the anointing, and to your sons, by an ordinance for ever.
Nave's Topical Index—AKJV

Nehemiah 10:38
And the priest the son of Aaron shall be with the Levites, when the Levites take tithes: and the Levites shall bring up the tithe of the tithes to the house of our God, to the chambers, into the treasure house.
Nave's Topical Index—AKJV