they shall.

Exodus 22:29
You must not hold back offerings from your granaries or vats. You are to give Me the firstborn of your sons.

Leviticus 27:10, 28, 33
He must not replace it or exchange it, either good for bad or bad for good. But if he does substitute one animal for another, both that animal and its substitute will be holy. . . .

for.

Ezekiel 48:12
It will be a special portion for them set apart from the land, a Most Holy portion adjacent to the territory of the Levites.

Leviticus 23:20
The priest is to wave the lambs as a wave offering before the LORD, together with the bread of the firstfruits. The bread and the two lambs are to be sacred to the LORD for the priest.

Leviticus 27:9, 32
If he vows an animal that may be brought as an offering to the LORD, any of these that he gives to the LORD will be holy. . . .

Malachi 3:8-10
"Will a man rob God? Yet you are robbing Me!" You ask, "How do we rob You?" "In tithes and offerings. . . .