Purity: Invalidators of Tayammum
Practical Laws of Islam as per the teachings of Ayatullah Sistani
Ruling 709:
The things that invalidate wuḍūʾ also invalidate tayammum performed in place of wuḍūʾ. The things that invalidate ghusl also invalidate tayammum performed in place of ghusl.
-Ayatullah Sistani, Practical Laws of Islam, Purification (Taharah)


