In case of a loss covered under a property insurance policy, which of the following will be required?

$1.$ Notice of loss.

$2.$ Protection of the undamaged property.

$3.$ Proof of loss.

$4.$ Appraisal.

Question $3$ options:

a$)1$ and $2.$

b$)1,2,$ and $3.$

c$)1,3,$ and $4$

d$)2,3,$ and $4.$