¹[5. (1) The water rate to be imposed in a notified area shall be determined by such authority and in such manner as may be prescribed: Provided that the water rate so determined may vary from one notified area to another notified area and from one year to another year. (2) Notwithstanding anything to the contrary contained in section 4, a water rate determined for a financial year shall remain in force and be payable for subsequent financial years unless the notification published under that section is rescinded or the rate is varied under sub-section (1). (3) Notwithstanding anything to the contrary contained in any other law for the time being in force or in any custom, usage or contract, a water rate determined under sub-section (1) shall be payable in respect of all agricultural lands in the notified area.]