TT #84 · Parshas Shemini · Aliyah 4 · Passuk 19
Chabad.org — Vayikra Chapter 10 with Rashi
English: “I would have eaten the sin-offering today”: today is forbidden while the following night is permitted; from here the Sages derive that the Torah’s mourning period applies during the day.
Sifra (Toras Kohanim), Shemini, Chapter 2.
Sefaria — Sifra, Shemini, Chapter 2
Textual limitation — The Chazal derives the teaching from the wording or context of the verse.
This Torah Temimah teaching explains a specific halakhic or interpretive consequence of the verse's wording.