law: Employees’ State Insurance Act, 1948
  41. Recovery of contributions from immediate employer
  (1) A principal employer, who has paid contribution in respect
  
  of an employee employed by or through an immediate employer, shall be entitled
  
  to recover the amount of the contribution so paid (that is to say the
  
  employer's contribution as well as the employee's contribution, if any) from
  
  the immediate employer, either by deduction from any amount payable to him by
  
  the principal employer under any contract, or as a debt payable by the
  
  immediate employer.
   70  [(1A) The immediate employer shall maintain register of
  
  employees employed by or through him as provided in the regulations and submit
  
  the same to the principal employer before the settlement of any amount payable
  
  under sub-section (1).]
  (2) In the case referred to in sub-section (1), the immediate
  
  employer shall be entitled to recover the employee's contribution from the
  
  employee employed by or through him by deduction from wages and not otherwise,
  
  subject to the conditions specified in the proviso to sub-section (2) of
  
  section 40.