If a person adds to or omits from the prayer out of forgetfulness, when does he prostrate for forgetfulness?

The questioner : So, if a person adds to or omits from the prayer, when does his prostration take place?

The Shaykh : Sa'ir and Nar.

The questioner : Yes, is it obligatory in the prayer?

The Shaykh : And are we now in the previous section?

The questioner : In front of the ship.

The Shaykh : All right, we now have two causes here: one requires the prostration to be before the salam, and the other requires it to be after the salam. So, the one that is before the salam takes precedence. If he added a rak'ah and omitted the first tashahhud, we now have two causes obligating the prostration. The cause is the addition, and the place of the prostration is...

The questioner : May Allah keep you safe.

The Shaykh : ...after the salam. The omission, whose place of prostration is before the salam, takes precedence over what is after the salam.