(a) If any constable fails to pay over any money collected by him after demand is made, or fails to return any execution or other process within the time specified in the process, or fails or neglects to perform any other duty required by law, he shall be removed from office by the county court on motion on charges exhibited against him.
(b) A copy of the charges, together with notice of the time of hearing the charges, shall be served on the constable at least five (5) days before the commencement of the term of the court at which the motion is made, which may be served in the same manner as a summons, and by any person over the age of twenty-one (21) years who would be a competent witness.