60. Every person subject to this Ordinance who,-(a) unnecessarily detains a person in custody without bringing him to trial, or fails to bring his case before the proper authority for investigation; or(b) having committed a person to naval custody fails without reasonable cause to deliver at the time of such committal, or as soon as practicable, and in any case within forty-eight hours thereafter, to the officer or other person into whose custody the person arrested is committed, an account in writing, signed by himself of the offence with which the person so committed is charged,shall be liable to suffer short imprisonment.