1背景对于供电企业而言,电费收入是企业正常生产、发展、运转的主要资金来源。在社会经济迅速发展的今天,金融结算方式也由以往的单一方式向着多样化发展。商业汇票作为买卖双方经济业务结算的重要方式,也逐渐呈递增趋势流入供电企业。近年来,受世界经济危机的影 1 Background For power supply companies, electricity revenue is the main source of funds for normal production, development, and operation of the company. With the rapid development of the social economy, financial settlement has also evolved from a single approach to diversification. As an important method for the settlement of the economic business of buyers and sellers, commercial bills are gradually increasing into the power supply enterprises. In recent years, affected by the world economic crisis