Purity: Doubt About Having Performed Wudu
Practical Laws of Islam as per the teachings of Ayatullah Sistani
Ruling 300:
If a person doubts whether he has performed wuḍūʾ or not, he must [deem that he has not and] perform wuḍūʾ.
-Ayatullah Sistani, Practical Laws of Islam, Purification (Taharah)


