5(1)Not less than 56 days before commencing the construction of any specified work, the Secretary of State shall submit to the protected authority for their approval plans for the work and such further particulars available to him as the protected authority may, within 28 days of the submission of the plans, reasonably require.
(2)The protected authority’s approval of plans submitted under sub-paragraph (1) above shall not be unreasonably withheld; and if within 56 days after the submission of the plans the protected authority have not approved or disapproved them, they shall be deemed to have approved them.