Disclosed is a steel wire rod for hard-drawn springs capable of exhibiting fatigue strength and sag resistance equivalent to or higher than springs made of an oil-tempered wire. The system determines whether any conflicts exist between the multiple policies. The inner panel is in a frame shape with only a marginal portion of the whole periphery left and with an opening formed therein, which results in reduction in the weight of the tailgate. The transaction descriptor, upon completion of the transaction, is stored in the TR registry record and serves to identify the authoritative copy of the TR.