(a) Justices of the peace and other officers of this State, who give persons charged with the commission of any crime, preliminary hearings, shall endorse on the back of such commitments and recognizances, the names of state's witnesses, and their place of residence. The prothonotaries of the respective counties shall insert the place of residence of such witnesses after their names in the subpoenas.
(b) Whoever violates this section shall be fined not more than $10.