进项发票和销项发票如何匹配项目及合同信息;如何解决项目不同的计税方式、税金转出及按项目算税;如何实现与航信系统的集成。建筑业实行“营改增”后,企业面临的增值税管理问题主要有:一是进项发票和销项发票如何匹配项目及合同信息;二是如何解决项目不同的计税方式、税金转出及按项目算税;三是如何实现与航信系统的集成。中 How to solve the project different tax calculation methods, tax out and tax calculated by the project; how to achieve the integration with the navigation system. The implementation of the construction industry “business change increase ”, the enterprises are facing problems of value-added tax management are: First, the invoice and sales invoice how to match the project and contract information; second is how to solve the project different tax methods, tax transfer Out and according to the project tax; third is how to achieve integration with the navigation system. in