摘要 |
In order to realize work load reduction and cost reduction, there is provided a system that includes a bill data creating unit (<bold>5</highlight>) for creating bill creation data composed of character strings, a digital bill creating unit (<bold>6</highlight>) for creating a digital bill using the bill creation data, a digital signature unit (<bold>7</highlight>) for creating digital signature data by performing digital signature processing on the created digital bill, and a bill electronic delivery unit (<bold>9</highlight>) for combining the digital bill and the digital signature data and electronically delivering them. Among these construction elements, the digital bill creating unit (<bold>6</highlight>) and the digital signature unit (<bold>7</highlight>) are provided in a server (<bold>20</highlight>) and the bill creation processing and the digital signature processing are automatically performed by the server (<bold>20</highlight>) without the requirement for operations from an operator.
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