The completion acceptance certificate shows that the person in charge of the construction unit is signed by the person in charge of the project, the registered architect, the registered structural engineer and the legal representative of the enterprise. The completion acceptance shall be organized by the construction unit, and the project leaders of all participating units must attend. The documents or minutes of the completion acceptance meeting shall be signed by the project leaders of all participating units. The construction unit shall be signed by the project leader. The design unit shall be signed by the project leader. The supervision unit shall be signed by the chief supervision engineer. The geological exploration unit shall be signed by the project leader. The construction unit shall be signed by the project manager.