" The proviso to that clause says "Provided that no allowance under this clause shall be made unless (a) the particulars prescribed for the purpose of clause (vi) have been furnished by the assessee in respect of the ship or machinery or plant; and (b) except where the assessee is a company being a licensee within the meaning of the (54 of 1948), or where the ship has been acquired or the machinery or plant has been installed before the 1st day of January, 1948 an amount equal to seventy five per cent of the development rebate to be actually allowed is debited to the profit and loss account of the relevant previous year and credited to a reserve, account to be utilised by him 173 during a period of ten years next following : or the purposes of the business of the undertaking except (i) for distribution by way of dividends or profits, or (ii) for remittance outside India as profits or for the creation of any asset outside India, and if any such ship, machinery, or plant is sold or otherwise transferred by the assessee to any person other than the Government at any time before the expiry of ten years from the end of the year in which it was acquired or installed, any allowance made under this clause shall be deemed to have been wrongly allowed for the purposes of this Act.