Section 281(1)

(1) Where, during the pendency of any proceeding under this Act or after the completion thereof, but before the service of notice under rule 2 of the Second Schedule, any assessee creates a charge on, or parts with the possession (by way of sale, mortgage, gift, exchange or any other mode of transfer whatsoever) of, an y of his assets in favour of any other person, such charge or transfer shall be void as against any claim in respect of any tax or any other sum payable by the assessee as a result of the completion of the said proceeding or otherwise: Provided that such c harge or transfer shall not be void if it is made -