§ 153. Construction. Wherever the terms board of railroad
commissioners, or commission of gas and electricity or inspector of gas
meters or board of rapid transit railroad commissioners or transit
construction commissioner or public service commission or public service
commission of the first district or public service commission of the
second district occur in any law, contract or document or whenever in
any law, contract or document reference is made to such boards,
commissions, commissioners or inspector, such terms or reference shall
be deemed to refer to the public service commission as established by
this chapter, so far as such law, contract or document pertains to
matters which are within the jurisdiction of such commission.