近年来,黑白合同在大型基本建设项目中普遍存在,导致了工程款层层拖欠、工程质量低下等危害社会公众利益的不良后果。在司法实践中,准确把握建设工程黑白合同的含义,明确界定黑白合同的法律性质及处理原则,正确理解适用相关法律、法规,对稳定建筑市场、保护交易安全具有重大意义。一、关于“黑白合同”的认定1、“黑白合同”的概念“黑白合同”一词最早见于2003年10月27日的《全国人大常委会执法检查组关于检查〈中华人民共和国建 In recent years, black-and-white contracts have become ubiquitous in large-scale capital construction projects, resulting in adverse consequences such as default on project funds and poor project quality that endanger public interests. In judicial practice, it is of great significance to accurately grasp the meaning of black-and-white contracts of construction projects, clearly define the legal nature of black-and-white contracts and the principle of handling them, and correctly understand the applicable laws and regulations in order to stabilize the construction market and protect the security of transactions. First, on the “black and white contract,” the identification 1, “black and white contract ” concept “black and white contract ” was first seen in the October 27, 2003 "NPC Standing Committee law enforcement inspection team on the inspection of