What should I do if the back of the transfer check is endorsed and stamped with the official seal? But the bank did not find it and deposited it in the bank.
Nothing. Just use the official seal of the company for the endorsement on the back of the transfer check. According to Article 23 of the Payment and Settlement Measures, the signature of the company on the bill should be the special seal or official seal of the company's finance plus the signature or seal of the legal representative or its authorized agent.