20.
(1) The written laws for the time being specified in the First Schedule to this Act shall have effect in every undeveloped area subject to the modification that it shall be lawful for the Board-
| | (a) to make or issue for the whole or any specified part of an undeveloped area any by-law, regulation, order or notification under any such written law, and | | |
| | (b) to exercise and discharge in an undeveloped area or any part thereof all or any of the powers or functions vested by any such written law in any officer or person, | | |
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(2) No officer or person in whom any powers or functions are vested by any written law for the time being specified in the First Schedule to this Act shall, within an undeveloped area, exercise or discharge any of those powers or functions except where necessary for the purpose of executing or carrying out any contract or arrangement made by the Board under subsection (2) of section 14. |
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(3) The Board may-
| | (a) by by-law made under section 22 of this Act apply any provision of any written law for the time being specified in the Second Schedule to this Act, with or without modification, to any part of an undeveloped area which is not within the operation of such written law, or | | |
| | (b) make for any part of an undeveloped area which is not within the operation of any written law for the time being specified in the Second Schedule to this Act any by-law which could, if such part had been within the operation of such written law, have been made by the appropriate local authority. | | |
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(4) Any power or function which the Board is authorized by paragraph (b) of subsection (1) to exercise or discharge, may be exercised or discharged on behalf of the Board by any member of the Board or by any such officer of the Board as is authorized in writing in that behalf by the Chairman. |
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