Date: 2 Tevet 5599
From: Rabbi Moshe Sofer
To: Rabbi Zalman Dux, Rabbi Natan
A shochet is accused of improperly slaughtering a chicken, and the responsum discusses his defense, including a claim of being distracted due to his wife's illness, and the validity of his testimony.
Source: Shu"t Chasam Sofer CM §197