
Terumah in Different Eras
Beginning of the Requirement
During the years of Capturing and Dividing Israel: Ketuvot 25a
In Modern Times
In the time of Rebbe: Niddah 6b
In Modern times, Terumah is Rabbinic: Pesachim 9b-10a, 44a
As related to Challah-Dough Tithe: Ketuvot 25a