A method for manufacturing a solid-state imaging device in which a charge generator that detects an electromagnetic wave and generates signal charges is formed on a semiconductor substrate and a negative-charge accumulated layer having negative fixed charges is formed above a detection plane of the charge generator. The foregoing is accomplished by providing a method that can determine the number and types of mailpieces being sorted and associated that number with addressee information. Each of registration authorities of a hierarchical level manages registration authorities that rank immediately below or end entities.