When do you say them?
Do you say them only when somebody has died to their relatives?

You have my sympathies. and You have my condelences.

Question

When do you say them?
Do you say them only when somebody has died to their relatives?

You have my sympathies.  and    You have my condelences.

Answer

It is appropriate to say to anyone that has a close relationship with the deceased, though it is most commonly said to relatives.

You can also say: "I'm sorry for your loss."