The warden or administrator is the chief executive officer of his or her assigned correctional institution and, subject to the direction of the commissioner, has the responsibility for the overall management of all operations within his or her assigned institution. He or she is in charge of its internal police and management and shall provide for feeding, clothing, working and taking care of the inmates, subject to the control of the Commissioner of Corrections: Provided, That the Commissioner of Corrections may authorize the warden or administrator to establish an imprest fund in accordance with the provisions of section two, article two, chapter twelve of this code for the sole purpose of providing employees with funds to transport inmates for any purpose as determined by the warden or administrator. The employee is required to complete a travel reimbursement form for the travel within five days of returning to the correctional facility. The funds shall be used to reimburse the imprest fund for the amount expended by the employee. The warden or administrator shall promptly enforce all orders and rules made by the commissioner. He or she shall protect and preserve the property of the state and may for that purpose punish the inmates in the manner authorized by the Commissioner of Corrections. The warden or administrator shall have the custody and control of all the real and personal property at the correctional institution, subject to the orders of the Commissioner of Corrections. The warden or administrator shall be bonded by the board of Risk and Insurance Management.