Numbers 18:26

“Moreover, you shall speak to the Levites and say to them, ‘When you take from the Israelites the tithe which I have given to you from them as your inheritance, then you shall present an offering from it to the Lord, a tithe of the tithe [paid by the people].

Nehemiah 10:38

The priest, the son of Aaron, shall be with the Levites when they receive tithes, and they shall bring one-tenth of the tithes up to the house of our God, to the chambers of the storehouse.

Numbers 18:21

“Behold, I have given the Levites all the tithe in Israel as an inheritance, in return for their service which they perform, the service of the Tent of Meeting (tabernacle).

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 offerings of the holy things, which the Israelites offer to the Lord I have given to you and to your sons and your daughters with you as a continual allotment. It is an everlasting covenant of salt [that cannot be dissolved or violated] before the Lord to you and to your descendants with you.”

A tenth part

Nehemiah 10:38
The priest, the son of Aaron, shall be with the Levites when they receive tithes, and they shall bring one-tenth of the tithes up to the house of our God, to the chambers of the storehouse.

General references

Numbers 15:21
From the first of your dough (ground grain) you shall give to the Lord an offering throughout your generations.