Purity: Purification from Urine of an Unweaned Infant

Practical Laws of Islam as per the teachings of Ayatullah Sistani

Ruling 155

If an object becomes impure with the urine of a breastfeeding boy or a girl who has not started weaning, in the event that some water, however little, is poured over it once so that it reaches the whole of the impure area, it becomes pure. However, the recommended precaution is that water should be poured over it a second time. In the case of clothing, rugs, and similar things, wringing is not necessary.

-Ayatullah Sistani, Practical Laws of Islam, Purification (Taharah)