Forms of Sujūd as-Sahw
1/ Sujūd as-Sahw occurs at the tail end of Salāt after recitation of the final tashahhud. Depending on the incident that warrants it, it may be performed before the Taslīm (salutation of peace that ends Salāt)or after it.
Shāfi’iyyah: All Sujūd as-Sahw must come before Taslīm.
Hanābilah: All Sujūd as-Sahw must come before Taslīm save in 2 cases: (i) If one makes Taslīm before completion of Salāt e.g. saying Taslīm after 2/3 raka’ats in dhuhr
Mālikiyyah: Sujūd as-Sahw can occur either before or after the Taslīm, depending on the case.