Is fasting on the days of Tashreeq forbidden?

Question:
May Allah reward you, Your Eminence, father. The questioner asks: Do the days of Tashreeq fall under the prohibition of fasting on the two festival days?

Answer:
Yes. The days of Tashreeq are not fasted except in the case of tamattu' or qiran, for one who did not find the fidyah and is performing tamattu' or qiran, and it was missed for him to fast before the day, days, it was missed for him to fast before the festival, then he fasts the days of Tashreeq. And other than that, the days of Tashreeq are days of eating, drinking, and dhikr of Allah, days of festival, they are not fasted. Yes. And do not mix with the kaffarah of zihar by fasting on them; if they pass, he continues the fasting and builds upon what has passed. Yes.