The ruling on slaughtering by cutting the throat what is slaughtered by the method of dhabh, and slaughtering by the method of dhabh what is slaughtered by the method of nahr, without a valid excuse

Question:
If a person slaughters by the method of dhabh or by the method of nahr without a valid excuse, is that permissible?

Answer:
Yes, it is permissible, it is permissible, as you heard, it is permissible to slaughter by the method of dhabh what is slaughtered by the method of nahr, and to slaughter by the method of nahr what is slaughtered by the method of dhabh, except that it is contrary to what is preferred. Yes. As for striking the animal on the neck (iqr), it is not permissible except when one is unable to perform the lawful slaughter (dhakah). Striking the animal on the neck is not permissible, and the animal struck in this manner does not become lawful to eat except when one is unable to perform the lawful slaughter. Yes.