Disconnection of supply in the default of payment.

If any user or licensee fails to pay water usage charges due from him, the Assistant Executive Engineer may, after giving not less than 15 days clear notice in writing to such user or licensee to clear the outstanding charges and without prejudice to recover such charges, cut off the supply to such user or licensee until such charges, together with any expenses incurred on cutting off and re-connecting the supply, are paid : Provided that where the licensee is engaged in trade of water for commercial purposes or for generation of electricity and makes a default in the payment of water charges, the Assistant Executive Engineer may, with the approval of Executive Engineer, recommend to the District Magistrate concerned for disconnecting or stopping the supply of water to such licensee until such charges, together with any expenses incurred on cutting off and reconnecting the supply, are paid by such licensee.