3.—(1) A rate or the levying of a rate shall not be affected by reason of any omission to give any notice required by the 1972 Order or this Order, or by reason of any error, omission, misdescription or variance in the making of a valuation or apportionment, in the preparation of the valuation list or in altering the valuation list; and it shall not be necessary in any proceeding in relation to, or to the levying of, a rate, or in relation to a valuation or alteration to give evidence of the performance of any of the preliminaries required in the making of a valuation, apportionment or alteration.N.I.
(2) In this paragraph “rate” includes a rate as defined in paragraph 1 of Part I of this Schedule.