19Any agreement with any organisation concluded by the Gas Council or an Area Board for the purposes of section 57 of the Gas Act 1948 shall, so far as in force immediately before the appointed day, have effect as from that day as if concluded with that organisation by the Corporation and for the purposes of section 35 of this Act, but, as continued in force by this paragraph, shall apply only to such class or description of persons employed by the Corporation as corresponds as nearly as may be to the class or description of persons employed by the Council or Board to which the agreement applies immediately before the appointed day.
20The repeal by this Act of section 58 of the [1948 c. 67.] Gas Act 1948 shall not affect the operation of subsection (3) of that section in relation to regulations made before the appointed day, and, notwithstanding that repeal, subsection (5) of that section shall, with the necessary modifications, continue to have effect in relation to any such question as is therein mentioned.
21Any regulations in force immediately before the appointed day under section 60 of the Gas Act 1948 (including regulations made by virtue of section 62(2) of that Act) shall, notwithstanding the repeal of those provisions by this Act, continue in force thereafter subject to the necessary modifications.
22The payments which may be made to the Corporation under section 3(2) of the [1966 c. 32.] Selective Employment Payments Act 1966 shall include payments in respect of tax paid before the appointed day either by the Corporation as the Gas Council or by an Area Board.
23Notwithstanding the repeal by this Act of the Gas Act 1948—
(a)composite companies within the meaning of that Act shall continue to have the rights and powers conferred on them in connection with British Gas Stock by section 30(7) of that Act, and
(b)paragraph 5 of Part I of Schedule 2 to that Act, including that paragraph as applied by paragraph 6 of Part II of that Schedule, shall continue to apply to British Gas Stock issued pursuant to that Schedule.