Legal basis: Article 799 of the Civil Code of People's Republic of China (PRC). After the completion of the construction project, the employer shall timely check and accept it according to the construction drawings and specifications, construction acceptance specifications and quality inspection standards promulgated by the state. After the acceptance, the employer shall pay the price as agreed and take over the construction project. Only after the construction project is completed and accepted can it be delivered for use; Without acceptance or unqualified acceptance, it shall not be delivered for use.