案情:1998年10月15日和24日,李某分别在乡信用社存入期限为1年的两笔存款18000元和10000元,此两笔存款由信用社原负责人唐某分别于1999年10月23日、11月23日办理现金付讫手续,并有李某背书签名。1999年10月15日、25日唐某又分别为李某出具证实李某存入现金18000元和11000元,期限为1年,月息1.875‰的“证明”两份。2000年6月,唐某 Case: On October 15 and 24, 1998, Lee respectively deposited two deposits of 18,000 yuan and 10,000 yuan with a term of 1 year in the township credit cooperatives. These two deposits were deposited respectively by the head of the credit cooperatives Tangmou in 1999 On October 23, November 23 for cash payment procedures, and Lee endorsement signature. On October 15, 1999, on the 25th, Tangmou respectively issued two certificates of verification that Li had deposited cash of 18,000 yuan and 11,000 yuan with a term of 1 year and a monthly interest rate of 1.875 ‰. June 2000, Tangmou