Chabad.org — English translation + Rashi
Torah Temimah points to Toras Kohanim (Sifra), Vayikra Dibbura DeChovah, on 4:26 (ke-chelev of the shelamim) (unit 1; single primary locus per emergency Core plan).
Sefaria — Sifra / Toras Kohanim, Vayikra Dibbura DeChovah
English: “Like the fat of the shelamim sacrifice” — just as there: the fat covering, membrane and peelable layer, the two kidneys and the lobe, so here.
Parallel of shelamim emurim for nasi chatas — the nasi’s goat emurim follow the same list as the shelamim.
The parts of the nasi’s chatas that are burned on the altar are identical to those of a shelamim: the fat covering the innards, the membrane that can be peeled, the two kidneys with their fat, and the lobe of the liver. The verse’s cross-reference makes the shelamim the model for the emurim of this offering.