(1) An
irrigation trust may, in fixing a water supply charge or a drainage charge,
declare a rate of interest that will be applied if a charge is not paid within
a period specified by the trust.
(2) A rate of interest
must not exceed any rate prescribed by the regulations.
(3) A period from
which interest will be payable must be not less than the period prescribed by
the regulations.
(4) Any interest
applied under this section may be simple or compound interest.