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.

Leviticus 27:28

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.

Exodus 22:29

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.

Leviticus 23:20

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.

Leviticus 25:34

But the field of the suburbs of their cities may not be sold; for it is their perpetual possession.

Leviticus 27:9-10

And if it be a beast, whereof men bring an offering unto the LORD, all that any man giveth of such unto the LORD shall be holy.

Leviticus 27:32-33

And concerning the tithe of the herd, or of the flock, even of whatsoever passeth under the rod, the tenth shall be holy unto the LORD.

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.

Malachi 3:8-10

Will a man rob God? Yet ye have robbed me. But ye say, Wherein have we robbed thee? In tithes and offerings.

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
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.
Leviticus 27:10
He shall not alter it, nor change it, a good for a bad, or a bad for a good: and if he shall at all change beast for beast, then it and the exchange thereof shall be holy.

For

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.
Leviticus 23:20
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.
Leviticus 27:9
And if it be a beast, whereof men bring an offering unto the LORD, all that any man giveth of such unto the LORD shall be holy.
Malachi 3:8
Will a man rob God? Yet ye have robbed me. But ye say, Wherein have we robbed thee? In tithes and offerings.

King James Version Public Domain