Article 21 Whenever an enterprise as a legal person is to cancel its registration, it must submit an application signed 第二十一条企业法人办理注销登记，应当提交法定代表人签署的申请注销登记报告、主管部门或者审批机关的批准文件、清理债务完结的证明或者清算组织负责清理债权债务的文件。