Deuteronomy 14:28

At the end of every third year you shall bring out all the tithe of your produce in that year, and shall deposit it in your town.

Deuteronomy 14:22

“You shall surely tithe all the produce from what you sow, which comes out of the field every year.

Amos 4:4

“Enter Bethel and transgress;
In Gilgal multiply transgression!
Bring your sacrifices every morning,
Your tithes every three days.

Deuteronomy 26:12-15

When you have finished paying all the tithe of your increase in the third year, the year of tithing, then you shall give it to the Levite, to the stranger, to the orphan and to the widow, that they may eat in your towns and be satisfied.

Treasury of Scripture Knowledge

Summary

At the end of three years thou shalt bring forth all the tithe of thine increase the same year, and shalt lay it up within thy gates:

Bible References

The end

Deuteronomy 14:22
“You shall surely tithe all the produce from what you sow, which comes out of the field every year.
Deuteronomy 26:12
When you have finished paying all the tithe of your increase in the third year, the year of tithing, then you shall give it to the Levite, to the stranger, to the orphan and to the widow, that they may eat in your towns and be satisfied.
Amos 4:4
“Enter Bethel and transgress;
In Gilgal multiply transgression!
Bring your sacrifices every morning,
Your tithes every three days.