It is, however, not necessary for The Method of Offering...

It is, however, not necessary for The Method of Offering Sajdat-us-Sahv Immediately after the Salam of prayer, one should make an intention of performing Sajdat-us-Sahv, placing one's forehead, as an obligatory precaurion, on an object which is allowed. It is a recommended precaution that Dhikr be recited, and a better Dhikr is: “Bismi-llahi wa bi-llah, as-salamu ‘alayka ayyuhan-nabiyyu wa rahmatu-llahi wa barakatuh”.

Then one should sit up and perform another Sajdah reciting the above mentioned Dhikr. After performing…