3. Where in pursuance of any international Agreement, convention or other instrument it is necessary to accord to any international organisation and its representatives and officers privileges and immunities in Bangladesh similar to those contained in the provision set out in the Schedule, the Government may, by notification in the official Gazette, declare that the provisions set out in the Schedule shall, subject to such modifications, if any, as it may consider necessary or expedient for giving effect to the said agreement, convention or other instrument apply mutatis mutandis to the international organisation specified in the notification and its representatives and officers, and thereupon the said provisions shall apply accordingly and, notwithstanding anything to the contrary contained in any other law, shall in such application have the force of law in Bangladesh.