Date: 4 Adar II 5596
From: Rabbi Moshe Sofer
To: Rabbi Yisrael
The responsum discusses the halachic rules for repairing a torn Torah scroll, specifically when the tear extends within four lines, and the differing opinions of Rishonim and Acharonim on whether such a tear can be sewn.
Source: Shu"t Chasam Sofer Collected §58