(1) The Chief Executive Officer shall, at the same time, give public notice of a date, not less than one month thereafter, when he shall proceed to consider the valuation and assessments entered in the assessment list, and, in all cases in which any property is for the first time assessed or the assessment is increased shall also give written notice thereof to the owner and to any lessee or occupier of the property.
     (2) Any objection to a valuation or assessment shall be made in writing to the Chief Executive Officer before the date fixed in the notice, and shall state in what respect the valuation or assessment is disputed, and all objections so made shall be recorded in a register to be kept for the purpose by the Chief Executive Officer.
     (3) The objections shall be inquired into and investigated, and the persons making them shall be allowed an opportunity of being heard either in person or by authorised agent by the Chief Executive Officer.