Since the guarantor did not sign the later loan renewal, it was a change in the main contract, and the guarantor did not need to determine the guarantee liability.

Article 24 of the "Guarantee Law" stipulates: If the creditor and the debtor agree to change the main contract, they must obtain the written consent of the guarantor. Without the written consent of the guarantor, the guarantor will no longer bear the guarantee liability. If the guarantee contract stipulates otherwise, the stipulation shall prevail.

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