It depends on the situation. 1. If authorized by me, the signature is valid for me, and I shall bear the consequences of the legal relationship confirmed by the signature; 2. Without my authorization, the signature is invalid for me, and the person who does not have the authority to sign on my behalf shall bear the legal responsibility for the signature. . If the project supervision personnel believe that the project construction does not meet the engineering design requirements, construction technical standards and contract stipulations, they have the right to require the construction enterprise to make corrections. It depends. 1. If authorized by me, the signature is valid for me, and I shall bear the consequences of the legal relationship confirmed by the signature; 2. Without my authorization, the signature is invalid for me, and the person who does not have the authority to sign on my behalf shall bear the legal responsibility for the signature. . Legal basis: Article 32 of the "Construction Law of the People's Republic of China" stipulates that construction project supervision shall, in accordance with laws, administrative regulations and relevant technical standards, design documents and construction project contract contracts, evaluate the construction quality, quality and performance of the contracting unit. Supervise on behalf of the construction unit in terms of construction period and use of construction funds. If the project supervision personnel believe that the project construction does not meet the engineering design requirements, construction technical standards and contract stipulations, they have the right to require the construction enterprise to make corrections. If the project supervisor discovers that the project design does not meet the construction project quality standards or the quality requirements stipulated in the contract, he shall report it to the construction unit and request the design unit to make corrections.