That's not true. The validity of IOUs must meet the following conditions: First, both parties have corresponding capacity for civil rights and conduct; Second, the IOU is the true agreement between the two sides; Third, the content of the IOU does not violate the mandatory provisions of the law and the public interest. Article 2 1 of Several Issues Concerning the Applicable Law in the Trial of Private Lending Cases in the Supreme People's Court stipulates that if someone else signs or seals the creditor's rights certificate or loan contract such as IOUs, receipts and IOUs, but fails to indicate the identity of the guarantor or assume the guarantee responsibility, or cannot be presumed as a guarantor through other facts, and the lender requests him to assume the guarantee responsibility, the people's court will not support it.

Legal objectivity:

Article 143 of the Civil Law of People's Republic of China (PRC) is valid if a civil juristic act meets the following conditions: (1) The actor has corresponding capacity for civil conduct; (2) the meaning is true; (three) does not violate the mandatory provisions of laws and administrative regulations, and does not violate public order and good customs. Article 469 of the Civil Code of People's Republic of China (PRC) * * * The parties may conclude a contract in writing, orally or in other forms. Written form refers to contracts, letters, telegrams, telexes, faxes and other forms that can tangibly express the contents contained. A data message that can tangibly express its content through electronic data interchange, e-mail, etc. , and can be retrieved at any time, are considered in writing.