Ezekiel 48:14

And they shall not sell [any part] from it, and shall not exchange, and shall not transfer the best of the land, for [it is] holy to Yahweh.

Leviticus 27:28

However, anything devoted that a man has devoted to Yahweh {from all that he has}, from human or animal, or from the field of his property, may not be sold, and it may not be redeemed; anything devoted [is] {a most holy thing} for Yahweh.

Exodus 22:29

" 'You will not delay the fullness of your harvest and the juice from your press; you will give me the firstborn of your sons.

Leviticus 23:20

And the priest shall wave them with the bread of the firstfruits [as] a wave offering {before} Yahweh; in addition to [the] two male lambs, they shall be holy for Yahweh for the priest.

Leviticus 25:34

But a field of their cities' pastureland must not be sold, because {it is their property for all time}.

Leviticus 27:9-10

" 'And if [it is] a domestic animal from which they present an offering for Yahweh, all that he gives from it for Yahweh shall be a holy object.

Leviticus 27:32-33

As for every tithe of cattle or of the flock, all which crosses under the rod, the tenth shall be a holy object for Yahweh.

Ezekiel 48:12

And it will be for them a special gift from the contribution of the land {as a most holy object} next to the territory of the Levites.

Malachi 3:8-10

Will a human [dare to] rob God? Yet you [are] robbing me! And you say, 'How have we robbed you?' In the tithes and the contributions!

Treasury of Scripture Knowledge

Summary

And they shall not sell of it, neither exchange, nor alienate the firstfruits of the land: for it is holy unto the LORD.

Bible References

They shall

Exodus 22:29
" 'You will not delay the fullness of your harvest and the juice from your press; you will give me the firstborn of your sons.
Leviticus 27:10
He shall not replace it, nor shall he exchange it, [either] good with bad or bad with good; and if he indeed exchanges a domestic animal with a domestic animal, then {it and its substitution shall be a holy object}.

For

Ezekiel 48:12
And it will be for them a special gift from the contribution of the land {as a most holy object} next to the territory of the Levites.
Leviticus 23:20
And the priest shall wave them with the bread of the firstfruits [as] a wave offering {before} Yahweh; in addition to [the] two male lambs, they shall be holy for Yahweh for the priest.
Leviticus 27:9
" 'And if [it is] a domestic animal from which they present an offering for Yahweh, all that he gives from it for Yahweh shall be a holy object.
Malachi 3:8
Will a human [dare to] rob God? Yet you [are] robbing me! And you say, 'How have we robbed you?' In the tithes and the contributions!