Any procedures or other records required to comply with good compounding practices shall be retained for the same period of time as required for retention of prescription records. All records required to be retained under good compounding practices, or copies of such records, shall be readily available for authorized inspection. Computer information and the hard copy of the prescription shall indicate that the prescription is to be compounded. Adequate records are required to be kept of any controlled dangerous substances or scheduled drugs which are used in compounding.