Definition of an Individual's Sin Offering: Yoma 51a
Communal Sin Offerings
Whether it is possible to consider the owners dead, if the people who committed the sin die: Temurah 15b, 16a
Whether it is possible to consider the owners dead, if the people who donated the offering die: Temurah 15b
Communal sin offerings are always from male animals: Temurah 16a
Issues on which Individual and Communal Sin Offerings are Different
What happens if the offering is Lost, and its Replacement was Brought: Yoma 50a, 64b-65a; Temurah 15a, 16a-b, 22a-b, 23a-b, 24a
What happens to a child of a sin offering: Yoma 50a; Temurah 15a
What happens to an animal which is substituted for a sin offering: Yoma 50a; Temurah 15a
What happens if the owners of a sin offering die: Yoma 50a; Temurah 15a, 16a
What happens to a sin offering which becomes too old to bring as a sin offering: Yoma 50a; Temurah 15a, 16a-b