Section 55--
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'(1) An objector who has objected under section 52 against a valuation may, if dissatisfied with the decision of the chief executive on the objection, appeal to the Land Court against the decision.
'(2) However, an objector can not appeal if--
(a) the amount of the valuation sought in the objection was less than the valuation and the decision was to change the valuation to an amount that is equal to or less than that amount; or
(b) the amount of the valuation sought in the objection was more than the valuation and the decision was to change the valuation to that amount; or
(c) the objection is not a properly made objection; or
(d) the chief executive has not made a decision under section 53 on the objection.
'(3) Also, other than under section 57, an appeal can not be filed after 42 days after the date of issue stated in the chief executive's decision on the objection.'.