Notwithstanding anything in any enactment or other instrument constituting or regulating the Company, the Company may, when registered under the [1985 c. 6.] Companies Act 1985 as a company limited by shares, exercise the powers of paragraph 6 (2) of Schedule 21 to that Act (effect of registration under section 680 of the said Act of 1985) and adopt Table A with such modifications as appear to them to be appropriate.