Ezekiel 48:14

And they shall not sell of it, neither exchange, nor alienate the first-fruits of the land: for it is holy unto Jehovah.

Leviticus 27:28

Notwithstanding, no devoted thing that a man hath devoted to Jehovah of all that he hath, of man or beast, or of the field of his possession, shall be sold or redeemed: every devoted thing is most holy to Jehovah.

Exodus 22:29

Thou shalt not delay the fulness of thy threshing-floor and the outflow of thy winepress. The firstborn of thy sons shalt thou give unto me.

Leviticus 23:20

And the priest shall wave them with the bread of the first-fruits as a wave-offering before Jehovah, with the two he-lambs; they shall be holy to Jehovah, for the priest.

Leviticus 25:34

And the field of the suburbs of their cities shall 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 Jehovah, all that they give of such unto Jehovah shall be holy.

Leviticus 27:32-33

And as to every tithe of the herd, or of the flock, of whatever passeth under the rod, the tenth shall be holy to Jehovah.

Ezekiel 48:12

And this offering heaved from the heave-offering of the land shall be unto them a thing most holy, by the border of the Levites.

Malachi 3:8-10

Will a man rob God? But ye rob me. And ye say, Wherein do we rob thee? In tithes and heave-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 the fulness of thy threshing-floor and the outflow of thy winepress. The firstborn of thy sons shalt thou give unto me.
Leviticus 27:10
They shall not alter it nor change it, a good for a bad, or a bad for a good; and if he at all change beast for beast, then it and the exchange thereof shall be holy.

For

Ezekiel 48:12
And this offering heaved from the heave-offering of the land 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 first-fruits as a wave-offering before Jehovah, with the two he-lambs; they shall be holy to Jehovah, for the priest.
Leviticus 27:9
And if it be a beast whereof men bring an offering unto Jehovah, all that they give of such unto Jehovah shall be holy.
Malachi 3:8
Will a man rob God? But ye rob me. And ye say, Wherein do we rob thee? In tithes and heave-offerings.