Provisional attachment to protect revenue in certain cases :
(1) Where during the pendency of any proceedings under section 46, section 47, section 48 or section 51, the Commissioner is of the opinion that for the purpose of protecting the interest of the Government revenue, it is necessary so to do, he may by order in writing attach provisionally any property belonging to the taxable person in such a manner as may be prescribed.
(2) Every such provisional attachment shall cease to have effect after the expiry of a period of one year from the date of the order made under sub-section (1).