What is the duration of validity of masah over khuffs for excused people?
The validity period of masah over khuffs for excused people is 24 hours for residents and 72 hours for travelers, as it is for healthy people (Kasani, Bada’i, I, 9; Ibn Abidin, Radd al-Muhtar, I, 453, 454).
Source: Presidency Of Religious Affairs The Turkey, High Board of Religious Affairs FATWAS