(2)If immediate action in respect of any tree or any branch of a tree or the fruit of any tree referred to in sub-section (1), is necessary, the Chairman shall, before giving such notice or before the period specified in the notice expires, secure, lop or cut down such tree or remove the fruit thereof or fence off a part of any street or take such other temporary measures as he may think fit to prevent danger. and the cost of so doing shall be recoverable from the owner of the tree as an arrear of tax under this Act.