That it be intentional, along with citing the evidence.
Machine translationRead the Arabic original
The Shaykh : Intentionality: If a person consumes something unintentionally, such as when water enters his stomach while he is rinsing his mouth, he did not intend for the water to enter his stomach, so he owes nothing. The evidence for this is the saying of Allah the Exalted: [Al-Ahzab 33:5] and His saying regarding hunting when a person in the state of ihram kills an animal: [Al-Ma'idah 5:95] So, if he killed it unintentionally, he owes nothing. For this reason, if a questioner asked, "I am driving my car, and a pigeon was flying and it collided with the car and died. Do I have to pay its penalty?" The answer is no, because you did not intend it. These are three conditions, and here is a question.
