Deuteronomy 14:28
At the end of three years thou dost bring out all the tithe of thine increase in that year, and hast placed it within thy gates;
Deuteronomy 14:22
'Thou dost certainly tithe all the increase of thy seed which the field is bringing forth year by year;
Amos 4:4
Enter ye Beth-El, and transgress, At Gilgal multiply transgression, And bring in every morning your sacrifices, Every third year your tithes.
Deuteronomy 26:12-15
'When thou dost complete to tithe all the tithe of thine increase in the third year, the year of the tithe, then thou hast given to the Levite, to the sojourner, to the fatherless, and to the widow, and they have eaten within thy gates, and been satisfied,