Parashas Tetzaveh · Passuk 29:32
Chabad.org — English translation + Rashi
Torah Temimah points to Yoma 5b (verified).
Sefaria — Exodus 29:32
Sefaria — Yoma 5b
E-Daf — Yoma 5b
English: The Gemara asks how a requirement that is not stated in the inauguration passage can nevertheless be shown to be obligatory, and derives such requirements through the relevant textual parallels.
On the daf / in context: See the cited source for the full section.
Derash on the verse.
The repeated word “opening” teaches that even a requirement not written in this passage may be indispensable when Scripture records it in the corresponding execution passage.