英语翻译必须在与院发生经营业务（签订合同）,并实现经营收入或者发生纳税义务时填开发票,未发生经营业务一律不准填开发票.

Question

英语翻译
必须在与院发生经营业务（签订合同）,并实现经营收入或者发生纳税义务时填开发票,未发生经营业务一律不准填开发票.

Answer 1

Must be in and the occurrence of business management (contract),and realize the business income tax or the occurrence of the obligation of the fill in the development ticket,not the occurrence of business management are not allowed to fill in the invoice.