There must be an impact.

(1) If the name on the IOU is wrong, you can sign a new IOU.

If only the name is wrong, both parties can re-sign the IOU, even without re-signing. Just explain the situation on the original IOU, re-sign, fingerprint or stamp it, and it can be used as an effective and correct IOU.

(two) when bringing a lawsuit to the court, the creditor shall provide evidence to prove that the names of the two persons are the same person.

Creditors have the responsibility to provide evidence to prove the facts on which their claims are based. If there is no evidence or the evidence is insufficient to prove the facts identified by the parties, the parties with the burden of proof shall bear the adverse consequences. When the name of one party in the IOU is inconsistent with the name on its ID card, the creditor has the responsibility to provide evidence to prove that the two names are the same person.

1. If the borrower's name is the borrower's previous name or nickname, a certificate can be issued by the local police station or neighborhood (village) committee to prove that this person is the other party;

2. Where a witness is present, the lender may ask the witness to testify that the names of the two persons are the same person;

3. If there is no witness and the borrower denies the existence of the loan relationship, the creditor may apply for handwriting identification to prove that the signature of the loan is from the borrower, so as to prove the authenticity and relevance of the loan.

(three) provide other evidence to prove the existence of the loan relationship.

Article 679 of the Civil Code When a loan contract between natural persons is established, a loan contract between natural persons is established when the lender provides the loan.

Therefore, creditors can provide bank transfer vouchers or other vouchers for loan payment to prove the existence of creditor's rights relationship between the two parties.

According to the relevant answers to the above contents,

If only the name is wrong, both parties can re-sign the IOU, even without re-signing. Just explain the situation on the original IOU, re-sign, fingerprint or stamp it, and it can be used as an effective and correct IOU.