Parashas Vayikra · Aliyah 1 · Passuk 3
Chabad.org — English translation + Rashi
Torah Temima points to the continuation of the discussion of disqualifications (שם — related to Temurah / Zevachim context and Toras Kohanim).
E-Daf / Tsurras Hadaf (Temurah 28b, size=3 where available)
PDF of the daf / source
English: “If his offering is a burnt-offering” – this teaches that all these disqualifications apply equally to a voluntary burnt-offering, an obligatory burnt-offering, and their substitutes.
Binyan av / extension of the rules of fitness — the fitness requirements stated for one form of olah are applied to every form of olah (nedavah, chovah, and their substitutes).
The standards of purity and fitness for the altar apply consistently, whether the offering is a free-will gift, a required sacrifice, or a substitute animal, encouraging careful attention to every korban brought before Hashem.