While in salah in congregation, if someone from the congregation behaves in such a way that requires sajda as-sahw, what must he/she do?

While in salah in congregation, if someone from the congregation behaves in such a way that requires sajda as-sahw, what must he/she do?

Dear Brother / Sister,

If someone reads salli barik prayers in the first sitting of a three or four rak’ah salah by accident, his/her salah is acceptable. He/she does not need to perform it again. In a situation like this, he/she must perform sajda as-sahw.

However, if someone makes such a mistake in a prayer performed in congregation, he/she does not need to perform sajda as-sahw. His/her salah is acceptable.

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