Urine Drying on Skin

Q. When urine falls on my skin and I wipe my skin and ensure it is dry, if I subsequently perspire do my clothes as well as all the places I sit on (bed, chair, etc.) become napaak and do I have to clean these surfaces by wiping them thrice?

A. Yes, once the affected and dried area perspires, the impurity resurfaces and soils all the items it comes into contact with. All those surfaces will have to be necessarily washed thrice.