Deuteronomy 26:12
12 “When you have finished paying all hthe tithe of your produce in the third year, which is ithe year of tithing, giving it to the Levite, the sojourner, the fatherless, and the widow, so that they may eat within your towns and be filled,
Amos 4:4
4 n“Come to Bethel, and transgress;
to oGilgal, and multiply transgression;
nbring your psacrifices every morning,
your tithes every three days;