Ezekiel 48:14
"And they shall not sell of it, neither exchange, nor alienate the firstfruits of the land: for it is holy unto the LORD."
Cross References (ranked by relevance)
Notwithstanding no devoted thing, that a man shall devote unto the LORD of all that he hath, both of man and beast, and of the field of his possession, shall be sold or redeemed: every devoted thing is most holy unto the LORD.
And this oblation of the land that is offered shall be unto them a thing most holy by the border of the Levites.
Thou shalt not delay to offer the first of thy ripe fruits, and of thy liquors: the firstborn of thy sons shalt thou give unto me.
And the priest shall wave them with the bread of the firstfruits for a wave offering before the LORD, with the two lambs: they shall be holy to the LORD for the priest.
But the field of the suburbs of their cities may not be sold; for it is their perpetual possession.