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-reference
Ezekiel 48:14
Parallel
Ezekiel 48:14 reinforces that this holy portion cannot be sold or exchanged, specifying the restriction implied by its holiness in verse 12.
Ezekiel 45:4
Parallel
Ezekiel 45:4 also describes a holy portion for the priests, directly paralleling the most holy district given here.
Leviticus 27:21
Parallel
In Leviticus 27:21, a devoted field becomes most holy to the LORD, echoing the classification of this priestly portion as a most holy thing.