Chabad.org — English translation + Rashi
Torah Temimah points to Horayos 7a.
E-Daf.com — Horayos 7a
HebrewBooks / Shas PDF
English: If he ruled with the community and acted with the community — might he bring a bull for himself? The verse says “for his sin that he has sinned” — a sin by himself.
No separate bull when joined to community — when the High Priest sins together with the community under a shared ruling, he does not bring a separate bull.
When the High Priest sins together with the community under a shared ruling, he does not bring a separate bull. The verse’s emphasis on “his sin that he has sinned” is taken to require an independent personal sin. When the High Priest’s error is absorbed into the communal error, the communal offering covers the situation and no additional personal bull is brought.