(2)(a)If any building in a municipal area is demolished or destroyed, the owner shall, until notice thereof is given to the Secretary, be liable for the payment of the property tax which would have been leviable had the building not been demolished or destroyed.(b)If such notice, is given within the first two months of a half-year the owner shall be entitled to a remission of the whole of the tax payable in respect of the building only; for the half-year.(c)If such notice is given within the last four months of a half-year, the owner shall be entitled to a remission of so much not exceeding a half of the tax payable in respect of the building only, for that half-year, as is proportionate to the number of days in that half-year, succeeding the demolition or destruction, as the case may be.