11.1 Class 1: Supplier function 供电公司

        Capability of legally assuming responsibility for the supply and delivery of electrical energy to the Customer.
        供电公司将电能传送到用户的责任
        Legal entity that enters into a contractual supply agreement with the Customer;
        法人实体，与用户签定供应合同
        Effects delivery of electrical energy to the Customer.
        实现电能传输到用户
        NOTE The supplier may optionally also have agreements with a generator company, a transmission company, a distribution company or a meter operator company. In the deregulated markets, the supplier may also be known as the retailer.
        注意供电公司与发电公司、传输公司、配电公司和表计生产公司之间都有合同。在自管户市场上，供电公司也可以被认为零售商。

11.2 Class 2: Customer function 用户

        Capability of legally assuming responsibility for the payment of supplied and delivered
electrical energy.
        为供应和传输的电能付费的责任
        Legal entity that enters into a contractual purchase agreement with the Supplier.
        法人实体，与供电公司签定购买合同
        Receives delivered electrical energy from the Supplier or his agent
        从供电公司或代理处得到传输的电能
        Receives bills or statements (optional) from the Supplier or his agent.
        从供电公司或代理处得到帐单
        Makes payments for billed amounts due or for purchasing of pre-paid tokens.
        购买预付的TOKEN或支付到期帐单
        Receives receipts for payments made.付费收据

11.3 Class 3: Contract function 合同

        Capability of legal prosecution of the terms and conditions agreed between the Supplier and
the Customer.
        供电部门和用户之间条款和条件的协议
        Records the terms of the agreement entered into between the Supplier and the Customer.
        供电公司和用户之间协议条款的记录
        Legally defines and enforces the business rules and the control policies for the system.
        法律上定义和强调的商业规则和控制政策
        Serves as terms of reference for possible future law enforcement processes.
        今后法律实施的过程
        Defines the operational attributes of the Accounting function.
        定义帐户功能的操作属性
        Defines the operational attributes of the Metering function.
        定义表计功能的操作属性
        Defines the operational attributes of the Delivery function.
        定义配电功能的操作属性
        Authorizes the Distribution function to connect the customer’s installation to the distribution network.
        连接用户和分布式网络的分配功能
        NOTE In some cases the actual documents are maintained outside of the payment metering system,in which case only an agreement reference number is recorded for use inside the system.
        注意在某些情况下，实际文件在预付费表系统之外的，此时系统中只记录和使用合同号。