S.C. Code Ann. § 44-13-40

If any person admitted to a State mental health facility is not a citizen of the United States, the superintendent of the facility concerned shall immediately notify the Office of Mental Health of the name of the person and all ascertainable information as to race, nativity, date of last arrival in the United States, the name of the vessel on which he arrived, the port at which he landed and the name of the transporting company. The Office of Mental Health shall transmit this information to the appropriate United States authorities and shall continue to provide care and treatment for the patient or trainee pending arrangements for his deportation.