案例回放:李某于2008年11月到A会计师事务所工作,每月工资4000元,2009年9月,公司以李某没有将注册会计师的注册手续转入其单位为由,对原告按助理会计师对待,并降低了工资。双方因此发生争议,2009年11月,李某向当地劳动争议仲裁委员会申请仲裁,请求裁令支付因未签订劳动合同的双倍工资差额;补办社会保险;补发降薪2000元。 Case Playback: Lee in November 2008 to the A accounting firm, the monthly salary of 4,000 yuan, September 2009, the company Lee did not turn the registration of certified public accountants into their units on the grounds that the plaintiff by Assistant Accountants treat and reduce the salary. In November 2009, therefore, Lee filed for arbitration with the local Labor Dispute Arbitration Commission, requesting a petition for the payment of double the wage gap due to the lack of a labor contract. It also re-arranged social insurance and re-issued a salary reduction of 2,000 yuan.