Id card guarantee. According to the information about bank guarantee, I learned that the bank applied for a loan of 5 million yuan and asked Party A to provide a guarantee for the ID card. Analysis of the guarantee of debt: Article 39 of the Interpretation of the Guarantee Law stipulates: "If the parties to the main contract agree to replace the old with the new, the guarantor will not bear civil liability, except what the guarantor knows or should know.