- Being a Muslim.
- Maturity.
- One has to be mentally capable and able to understand and comprehend these obligations.
As for the Salaah he missed earlier, when he was conscious and physically able to perform it (whether standing, sitting, or lying down), Qadhaa will be obligatory.
In the event of his passing, if your father made a bequest for Fidya to be paid, it will be taken from one-third of his estate. If no bequest was made, the heirs may choose to pay the Fidya voluntarily. However, Fidya cannot be paid during your father’s lifetime.
Mauritius
References