Section 7A(3)(b) in The Industrial Disputes Act, 1947
(b)[ he is or has been a Deputy Chief Labour Commissioner (Central) or Joint Commissioner of the State Labour Department, having a degree in law and at least seven years' experience in the labour department including three years of experience as Conciliation Officer: Provided that no such Deputy Chief Labour Commissioner or Joint Labour Commissioner shall be appointed unless he resigns from the service of the Central Government or State Government, as the case may be, before being appointed as the presiding officer; or [Clause added by Act 24 of 2010 (w.e.f. 18.8.2010) ]