16. (1) Subject to any exemptions that may be contained in the notification, the Government may, if it is of opinion that it is expedient so to do for the purpose of strengthening its foreign exchange position by notification in the official Gazette,- (a) order the transfer to itself of any foreign securities specified in the notification at a price so specified, being a price which is, in the opinion of the Government no less than the market value of the securities on the date of the notification, or (b) direct the owner of any foreign securities specified in the notification, to sell or procure the sale of the securities and thereafter to offer or cause to be offered the net foreign exchange proceeds of the sale to the Bangladesh Bank on behalf of the Government or to such person as the Bangladesh Bank may authorise for the purpose, at such price as the Government may fix, being a price which is in the opinion of the Government not less than the market rate of the foreign exchange when it is offered for sale. (2) On the issue of a notification under clause (a) of sub-section (1),- (a) the securities to which the notification relates shall forthwith vest in the Government free from any mortgage, pledge or charge, and the Government may deal with them in such manner as it thinks fit. (b) the owner of any of the securities to which the notification relates and any person who is responsible for keeping any registers or books in which any of those securities are registered or inscribed, or who is otherwise concerned with the registration or inscription of any of those securities, shall do all such things as are necessary or as the Government or the Bangladesh Bank may order to be done, for the purpose of securing that- (i) the securities and any documents of title relating thereto are delivered to the Government and, in the case of registered or inscribed securities, that the securities are registered or inscribed in the name of the Government or of such nominee of the Government as it may specify, and (ii) any dividends or interest on those securities becoming payable on or after the date of the issue of the notification are paid to the Government or its nominee as aforesaid and where in the case of any security payable to bearer which is delivered in pursuance of the said notification, any coupons representing any such dividends or interest are not delivered with the security, such reduction in the price payable therefor shall be made as the Government thinks fit: Provided that where the price specified in the notification in relation to any security is ex-dividend or ex-interest, this sub-clause shall not apply to that dividend or interest or to any coupon representing it. (3) A certificate signed by any person authorised in this behalf by the Government that any specified securities are securities transferred to the Government under this section shall be treated by all persons concerned as conclusive evidence that the securities have been so transferred.