Ruling 1227
If a person inadvertently does not say al‑tasbīḥāt al‑arbaʿah, the recommended precaution is that he should perform sajdatā al‑sahw after prayers.
Prayer: Inadvertently Omitting al-Tasbihat al-Arbaʿah
Practical Laws of Islam as per the teachings of Ayatullah Sistani
