Date: 21 Cheshvan 5569
From: Rabbi Moshe Sofer
To: Rabbi Tzvi Avigdor
The responsum addresses a difficulty with Ramban's commentary on Vayikra, where he states that salting sacrifices can be done by a non-Kohen (zar), which seems to contradict the Gemara in Menachot 20a.
Source: Shu"t Chasam Sofer Collected §20