Right to copy of commitment; forfeiture

A person committed or detained, or a person in his behalf, may demand a true copy of the warrant of commitment or detainer. An officer or other person detaining a person, who refuses or neglects to deliver to him or to a person in his behalf a true copy of the warrant of commitment or detainer, if one exists, within six hours after the demand, shall forfeit to the party so detained the sum of $500.