Parashas Metzora · Passuk 14:13
Chabad.org — English translation + Rashi
Torah Temima points to Yoma 61b (verified on the daf).
E-Daf.com — Tsurras Hadaf (size=3)
HebrewBooks / Shas PDF of the daf
English: “Like the chatas is the asham” — it is compared to the chatas: just as the chatas requires a vessel, so the asham requires a vessel.
Heqesh
Chazal derive from the comparison that the metzora’s asham, like a chatas, must be received in a vessel.