Because it is necessary to receive urgent medical treatment. Otherwise it may be dangerous to life. Insured can get treated. In a hospital near where the accident insured by relatives or people involved will need to hurry to inform the selected hospital to know by now to be responsible for medical expenses here. For medical expenses incurred before you notify the certification card upon hospital sitthi. Know the social security office will be responsible for expenses incurred within 3 days (72 hours) by category, and the rate at which the scheduled announcement.