Ezekiel 48:12
"And this oblation of the land that is offered shall be unto them a thing most holy by the border of the Levites."
Cross References (ranked by relevance)
Leviticus 27:21
But the field, when it goeth out in the jubile, shall be holy unto the LORD, as a field devoted; the possession thereof shall be the priest’s.
Ezekiel 45:4
The holy portion of the land shall be for the priests the ministers of the sanctuary, which shall come near to minister unto the LORD: and it shall be a place for their houses, and an holy place for the sanctuary.