Numbers 18:26

"Moreover, you shall speak and say to the Levites, 'When you take from the people of Israel the tithe that I have given you from them for your inheritance, then you shall present a contribution from it to the LORD, a tithe of the tithe.

Nehemiah 10:38

And the priest, the son of Aaron, shall be with the Levites when the Levites receive the tithes. And the Levites shall bring up the tithe of the tithes to the house of our God, to the chambers of the storehouse.

Numbers 18:21

"To the Levites I have given every tithe in Israel for an inheritance, in return for their service that they do, their service in the tent of meeting,

Treasury of Scripture Knowledge

Summary

Thus speak unto the Levites, and say unto them, When ye take of the children of Israel the tithes which I have given you from them for your inheritance, then ye shall offer up an heave offering of it for the LORD, even a tenth part of the tithe.

Then ye shall

A tenth part

General references

Bible References

Then ye shall

Numbers 18:19
All the holy contributions that the people of Israel present to the LORD I give to you, and to your sons and daughters with you, as a perpetual due. It is a covenant of salt forever before the LORD for you and for your offspring with you."

A tenth part

Nehemiah 10:38
And the priest, the son of Aaron, shall be with the Levites when the Levites receive the tithes. And the Levites shall bring up the tithe of the tithes to the house of our God, to the chambers of the storehouse.

General references

Numbers 15:21
Some of the first of your dough you shall give to the LORD as a contribution throughout your generations.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.