Extrajudicial settlement of estate not necessary to claim deceased employee's last pay

Dear PAO,

Is it really necessary to have an extrajudicial settlement of estate before my father's last pay can be released to us, his heirs? My father worked for a call center company, and he passed away because of an accident. We are left with debts from his hospitalization expenses, and his last pay from the company will really help us in settling some of these debts. However, the company has been giving us one excuse after another and now claims we must complete an extrajudicial settlement first. Is that correct?