Question (R. Bun): (Why must we expound to teach about Yedi'ah at the end?) If he does not find out at the end, how would he bring a Korban?!

Answer: Rather, since it need not teach Yedi'ah at the beginning, we use it to teach about Yedi'ah at the beginning.

Question: It says "Oh Hoda Elav Chataso v'Hevi" - we should say that since it need not teach Yedi'ah at the end, we use it to teach about Yedi'ah at the beginning (but Korban Chatas does not require Yedi'ah at the beginning)!

Answer: We establish it to discuss one who was liable a Chatas or Asham Vadai, and Yom Kipur passed. He brings after Yom Kipur, but one who was obligated Asham Taluy is exempt [after Yom Kipur];

(One might have thought that also Chatas or Asham Vadai, he is exempt after Yom Kipur.) "Oh Hoda Elav Chataso v'Hevi" - even after Yom Kipur.

Question: What is the source that it discusses only Tum'as Mikdash v'Kodoshav?

Answer: [The Torah] warned and punished for Tum'as Mikdash v'Kodoshav. Also when it obligates a Korban, it is for Tum'as Mikdash v'Kodoshav.