Numbers 18:26

And you shall speak to the Levites, and you shall say to them, When you take tithes from the sons of Israel, which I have given you from them for your inheritance, then you shall offer up a heave offering of it for Jehovah, a tenth of the tithe.

Nehemiah 10:38

And the priest, the son of Aaron, shall be with the Levites, when the Levites take tithes, and the Levites shall bring up the tithe of the tithes to the house of our God, to the rooms, into the treasure house.

Numbers 18:21

And behold, I have given the sons of Levi all the tenth in Israel for an inheritance, for their service which they serve, the service of the tabernacle of the congregation.

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 heave offerings of the holy things, which the sons of Israel offer to Jehovah, I have given you and your sons and your daughters with you, by a law forever. It is a covenant of salt forever before Jehovah to you and to your seed with you.

A tenth part

Nehemiah 10:38
And the priest, the son of Aaron, shall be with the Levites, when the Levites take tithes, and the Levites shall bring up the tithe of the tithes to the house of our God, to the rooms, into the treasure house.

General references

Numbers 15:21
Of the first of your dough you shall give to Jehovah a heave offering in your generations.